"Svörtuloft Lighthouse" by Ingólfur Bjargmundsson

Young Star HL Tauri: Wide-field view

Landing! | ESA Rosetta Comet Mission

Putting the Jewel Box in perspective

Star Wars: Episode VII - The Force Awakens Official Teaser Trailer

New crew launches to ISS on This Week @NASA

NASA's Space to Ground: ISS Thanksgiving: Week of 11/28/14

Welcome to the Space Station! | NASA

Samantha's greeting for 50 years of European cooperation in space

"Our Soyuz docked to the ISS" | International Space Station

"First breakfast in space" | International Space Station

"The view from our window." | International Space Station

An amazing view from the Cupola | International Space Station

NASA Orion Spacecraft & Delta IV Rocket Launch Preparations: V3

NASA Orion Spacecraft & Delta IV Rocket Launch Preparations: V2

NASA Orion Spacecraft & Delta IV Rocket Launch Preparations: V1

Space Station Live: Thanksgiving Feast on Orbit!

Thanksgiving Message from the International Space Station

How Orion Capsule's First Flight Test Works | Space.com

Source SPACE.com: All about our solar system, outer space and exploration.

"First Italian woman arrives at International Space Station" | BBC

ESA astronaut Samantha Cristoforetti arrives at Space Station!

New Crew Welcomed Aboard Space Station! | NASA

ISS Expedition 42/43 Crew Docks to the Space Station | NASA

ISS Expedition 42 Crew Wave | NASA

Futura launch replay | European Space Agency

ISS Expedition 42 Launch!: View 2 | NASA

ISS Expedition 42 Launch!: View 1 | NASA

ISS Expedition 42 Soyuz Preparation | NASA

Futura liftoff!: View 3 | European Space Agency

Futura liftoff!: View 2 | European Space Agency

Futura liftoff!: View 1 | European Space Agency

ISS Expedition 42 Launches to the International Space Station!

Launch day cometh for ISS Expedition 42/43 crew | NASA

The Rocket's flame trench: V6 | Samantha's Soyuz TMA-15M

The Rocket's flame trench: V5 | Samantha's Soyuz TMA-15M

The Rocket's flame trench: V4 | Samantha's Soyuz TMA-15M

The Rocket's flame trench: V3 | Samantha's Soyuz TMA-15M

The Rocket's flame trench: V2 | Samantha's Soyuz TMA-15M

The Rocket's flame trench: V1 | Samantha's Soyuz TMA-15M

ISS Expedition 42 Soyuz Rocket Blessing

Samantha's Soyuz TMA-15M spacecraft roll out: View 11

Samantha's Soyuz TMA-15M spacecraft roll out: View 10

Samantha's Soyuz TMA-15M spacecraft roll out: View 9

Samantha's Soyuz TMA-15M spacecraft roll out: View 8

Samantha's Soyuz TMA-15M spacecraft roll out: View 7

Samantha's Soyuz TMA-15M spacecraft roll out: View 6

Samantha's Farewells to Friends & Family | Final Press Conference

Anton Says Farewell to Family | Expedition 42 Press Conference

ISS Expedition 42/43 crew members: Final press conference: V2

ISS Expedition 42/43 crew members: Final press conference: V1

NASA Astronaut Terry Virts: State Commission Meeting

ESA Astronaut Samantha Cristoforetti: State Commission Meeting

Futura mission: Final Launch Preparations | ESA

Soyuz rendezvous & docking explained | European Space Agency

ISS Expedition 42/43 Crew Meets Officials and Reporters | NASA

NASA is with you when you fly on This Week @NASA

Europa: Ocean World | NASA Jet Propulsion Laboratory

NASA's Space to Ground: Space Bound | Week of 11/21/14

"Wavelight" by Gavin Heffernan

What's a Scramjet? | NASA Archives

NASA avionics technicians Randy Wagner and Terry Bishop make final adjustments on the scramjet-powered X-43A before its record Mach 9.6 flight.

NASA X-43A Hypersonic Vehicle Mated to Pegasus Booster Rocket

NASA X-43A Hypersonic Research Aircraft: Head-on View

The small size of the NASA X-43A scramjet is evident in this nose-on view while mounted to its modified Pegasus booster under the wing of NASA's B-52B mothership.

NASA X-43A/Pegasus Launch: New Mach 10 Speed Record!

NASA B-52B Takeoff: X-43 Hypersonic Vehicle & Pegasus Booster

NASA's X-43A: Getting Ready for Mach 10 | NASA Dryden Video

NASA X-43A Hypersonic Experimental Vehicle: Artist's Concept

Pegasus Booster Ignition for X-43A Hypersonic Flight Test | NASA

X-43A Air-launched from B-52B Stratofortress at 40,000 Feet

B-52 Flight with Stack: X-43 Hypersonic Vehicle+Pegasus Booster

NASA B-52B Takes Off: X-43 Hypersonic Vehicle+Pegasus Booster

One for the Record Books | NASA NASA X-43A Becomes First Aircraft to Reach Mach 10!

The X-43A Mission Profile | NASA

NASA X-43A Hypersonic Scramjet Engine Technology

NASA X-43A Becomes First Aircraft to Reach Mach 10!

X-43A Scramjet Vehicle Model in Wind Tunnel | NASA Langley

The Leonid Meteor Shower Above Torre de la Guaita in Spain

Arctic Romance

ISS Expedition 42 Crew Profile: Samantha, Terry & Anton | NASA

ESA Astronaut Samantha Cristoforetti: Final preparations for ISS

"Hard to catch": Mesospheric clouds | International Space Station

High mesospheric cloud | International Space Station

Mesospheric cloud | International Space Station

The Plan to Map Illegal Fishing From Space

ESA's technical heart celebrates Rosetta's Philae landing

"Arrival" by Vangelis | ESA Rosetta Comet Mission

Exploring The World's Protected Areas from Space | NASA

How Do Active Volcanoes Change Clouds? | NASA

America's First Spacewalker, Astronaut Edward White, Readies for Gemini IV Liftoff

Why is the Earth's Ozone Hole Getting Smaller? | NASA

NASA Orion Spacecraft Attached to Delta IV Heavy Rocket

NASA X-24B Lifting Body Supersonic Aircraft in Flight

NASA X-23B - 24B Experimental Aircraft [VIDEO]

Rosetta: Elation and woe of Philae comet landing | BBC

Rosetta orbiting around Comet 67P | European Space Agency

"Our lander’s asleep" | ESA Rosetta Comet Mission

Philae comet lander Control Center just before hibernation | DLR

Science is ‘bonus’ after ambitious, but bouncy, comet landing

Anchor failure puts Philae comet lander in a precarious position

Pioneering Philae completes main mission before hibernation

NASA Astronauts Buzz Aldrin & Jim Lovell on Deck | Gemini 12

NASA X-24B on Lakebed in Edwards, California

Rosetta Spacecraft's Solar Wing | ESA's Mission to Comet 67P

Amazing canyon | International Space Station

NASA's Orion Spacecraft: ICPS Deep Space Booster Artist Concept

NASA's Orion: I'm On Board - 'The Hulk' Actor Lou Ferrigno

Rosetta: Close Comet 67P orbits to lander deployment | ESA

NASA's Space to Ground: Touchdown! | Week of 11/14/14

Orion spacecraft attached to Delta IV rocket on This Week @NASA

Philae’s first touchdown seen by Rosetta! | ESA Rosetta Mission

The Philae Comet Lander's Instruments | ESA Rosetta Mission

Solar Plasma Ballet [VIDEO] | NASA Solar Dynamics Observatory

Solar Plasma Ballet | NASA Solar Dynamics Observatory

Rosetta Mission: Results from comet landing: Nov. 14, 2014 | ESA

How (and where) is Philae? | ESA Rosetta Comet Mission

Philae’s descent & science on Comet 67P's surface | ESA Rosetta

Google to lease former NASA airfield | BBC

"Rosetta: Battery will limit life of Philae comet lander" | BBC

Dodgeball in Space: Heading to low Earth orbit? Watch out for all the high-speed flying junk | Slate

Astronaut Chris Hadfield depicts Earth's beauty from space | BBC

7 NASA astronauts visit high school named for Apollo space program in St. Cloud, Minnesota

ISS Expedition 42/43 Crew in Front of Soyuz Spacecraft | NASA

ISS Expedition 42/43 Crew Meets the Press in Kazakhstan | NASA

ISS Expedition 42/43 Crew Departs Star City for Baikonur Cosmodrome in Kazakhstan

Fast Evolution of a Galaxy: Artist's Illustration

Compass & Scale Image for Outflows from 12 Merging Galaxies

NASA X-ray Telescopes Find Black Hole May Be Neutrino Factory

Sun Snaking Filament Eruption | NASA SDO

NASA Expedition 41 Flight Engineer Reid Wiseman Returns Home!

Philae Comet 67P Landing: Nov. 13, 2014 Media Briefing | ESA

Searching for Philae's Comet Landing Site | ESA Rosetta Mission

Comet 67P Panorama: Artist Illustration of Lander Orientation

First Comet 67P Panorama from Philae Lander | ESA Rosetta

Philae Touchdown: Comet Lander Status & First Descent Image

Welcome to Comet 67P: Philae's first picture on surface! | ESA

Philae Descending to Comet 67P: Wide-angle view | ESA Rosetta

Philae's Descent to Surface of Comet 67P | ESA Rosetta Mission

Philae Lander's View of Comet 67P from 40 meters away | ESA

As the sun rises or sets, its rays travel through the atmosphere which acts as a prism illuminating | NASA Astronaut Barry Wilmore | International Space Station

As the sun rises or sets, its rays travel through the atmosphere which acts as a prism illuminating #ISS -#AstroButch http://t.co/k6MfRUxbgl

— Intl. Space Station (@Space_Station) November 17, 2014

ISRO releases images of Comet Siding Spring taken by India's Mars Probe 'Mangalyaan'

Comet #sidingspring observed by @MarsOrbiter. pic.twitter.com/lexXQ9SY21

— ISRO (@isro) November 12, 2014

Rosetta's OSIRIS camera spots Philae drifting across the comet!

EUTELSAT 115 West B communications satellite following successful pairing with its co-passenger satellite | EUTELSAT

Rosetta's Comet Lander Philae Landed Three Times! | NASA JPL

Google Doodle Tribute to Philae Comet Lander! | ESA Rosetta

Searching for Philae's Comet Landing Site | ESA Rosetta Mission

First Comet 67/P Panorama from Philae Lander | ESA Rosetta

Philae Lander's View of Comet 67/P from 40 meters away | ESA

Philae Descending to Comet 67/P: Wide-angle view | ESA Rosetta

Philae Comet 67/P Landing: Nov. 13, 2014 Media Briefing | ESA

NASA Expedition 41 Flight Engineer Reid Wiseman Returns Home!

Philae Touchdown: Comet Lander Status & First Descent Image

Rosetta: Comet lander Philae now stable - scientists | BBC

Comet 67/P Panorama: Artist Illustration of Lander Orientation

Welcome to Comet 67/P: Philae's first picture on surface! | ESA

Sun Snaking Filament Eruption | NASA SDO

Satellite Shows U.S. Pre-Winter Wintry Outbreak | NASA/NOAA

Get Ready to Celebrate 25 years of Hubble! | NASA

Watch it again or see it for the first time if you missed it! This short film produced by the European Space Agency on the now historic Rosetta Mission has been viewed over 300,000 times on Friends of NASA's Google+ page!

The Science of AMBITION | ESA Rosetta Comet Mission

Philae's Descent to Surface of Comet 67/P | ESA Rosetta Mission

Philae: The ‘Happy Comet Lander’ | ESA Rosetta Mission

Scientists who dared to land on a comet score a touchdown!

Time-lapse Video of Orion's Roll to the Launch Pad | NASA

NASA’s Orion Spacecraft Rolls out to Launch Pad for First Test Flight

Boarding NASA Gemini VIII

NASA Apollo 9 Astronaut Russell L. Schweickart in Spacesuit

"Norwegian Northern Lights Panorama" by Frank Olsen

How comet particles are analyzed [VIDEO] | BBC

China's Chang'e 5 View of Earth and The Moon

What is Comet 67P? In 60 seconds [VIDEO] | BBC News

The Heat Shield for NASA's Orion Spacecraft | Lockheed Martin

Newest NASA Mars Orbiter Demonstrates Data Relay Prowess

The Future of Human Space Exploration | NASA 360

Why the Rosetta comet mission is important | CBC

Philae Comet Landing: Acquisition of signal post-landing | ESA

Asteroids and the NASA OSIRIS-REx Mission | Lockheed Martin

NASA OSIRIS-REx to Investigate Asteroid Bennu & Return Samples

Philae Comet Landing: Touchdown Highlights | ESA Rosetta

NASA Statement on Europe's Successful Rosetta Comet Landing

"Rosetta's Waltz" by Vangelis | ESA Rosetta Mission

Congratulations to the European Space Agency's Rosetta landing operations mission control team!

Philae Lander's Descent to Comet 67/P: View #1 | Rosetta Mission

NASA's Orion Spacecraft and Transporter at Launch Pad

NASA's Orion Spacecraft, Transporter at SLC-37

NASA's Orion Spacecraft Moves Into Gantry

NASA's Orion Spacecraft at SLC-37 Service Structure

NASA's Orion Spacecraft Reaches Launch Pad

NASA's Orion Spacecraft Up-close at Vehicle Assembly Building

NASA's Orion Spacecraft Rolls Past the Vehicle Assembly Building

"Philae's Journey" by Vangelis | ESA Rosetta Comet Mission

Philae Comet Lander: Artist Illustrations | ESA Rosetta Mission "Ambition Fulfilled!"

Farewell Philae: Wide-angle View | European Space Agency

Farewell Philae: Narrow-angle View#2 | European Space Agency

Farewell Philae: Narrow-angle View#1 | European Space Agency

Alex, Maxim & Reid welcomed home to Earth in Kazakhstan!

Rosetta landing operations mission control team Congratulations to the European Space Agency!

Farewell Rosetta | European Space Agency

NASA Orion Spacecraft Begins Roll to Launch Pad

ESA Rosetta Comet Mission: NAVCAM Top 10 at 10 km – 10

ESA Rosetta Comet Mission: NAVCAM Top 10 at 10 km – 9

ESA Rosetta Comet Mission: NAVCAM Top 10 at 10 km – 8

ESA Rosetta Comet Mission: NAVCAM Top 10 at 10 km – 7

ESA Rosetta Comet Mission: NAVCAM Top 10 at 10 km – 6

ESA Rosetta Comet Mission: NAVCAM Top 10 at 10 km – 5

ESA Rosetta Comet Mission: NAVCAM Top 10 at 10 km – 4

ESA Rosetta Comet Mission: NAVCAM Top 10 at 10 km – 3

ESA Rosetta Comet Mission: NAVCAM Top 10 at 10 km – 2

ESA Rosetta Comet Mission: NAVCAM Top 10 at 10 km – 1

William Shatner's Message to ESA Rosetta Comet Mission Team

Rosetta & Philae Comet Landing Timeline | ESA

NASA Orion Spacecraft Begins Historic Trip to Launch Pad

Jupiter's Red Spot is Likely a Sunburn, Not a Blush | NASA JPL

NASA Conducts Media Briefing on Orion Spacecraft Roll out to Launch Pad for First Test Flight

Ever hear a comet sing? | European Space Agency Rosetta Mission

The Singing Comet! | European Space Agency Rosetta Mission

Alexander arriving at European Astronaut Center (EAC) in Cologne

Cologne, Germany | International Space Station

Russian Tu-144LL SST Flying Laboratory Takeoff at Zhukovsky Air Development Center | NASA Armstrong Flight Research Center

NASA Astronaut Buzz Aldrin Performs EVA on Gemini 12 Mission

Coming Soon: Orion Flight Test! | NASA

ISS Expedition 41 Crew Receives Warm Welcome in Kazakhstan

Alexander back on Earth | European Space Agency

ISS Expedition 41 Soyuz TMA-13M Landing Outtakes | NASA/ESA

Galaxy Cluster Abell 1413 | Hubble Space Telescope

NASA Orion Spacecraft: Ready for launch pad roll out | V4

NASA Orion Spacecraft: Ready for launch pad roll out | V3

NASA Orion Spacecraft: Ready for launch pad roll out | V2

NASA Orion Spacecraft: Ready for launch pad roll out | V1

The Orion Spacecraft: Ready for Flight | NASA

Mars Comet Siding Spring News Update | NASA

Q&Alien: What’s in an Exoplanet Name? | NASA JPL

What’s Up for November 2014 | NASA JPL

Follow the Dust to Find Planets | NASA's Spitzer & ESA's Herschel

Hinode Captures Images of Partial Solar Eclipse | NASA

"Willkommen zurück in Köln, Alex!": P2 | German Aerospace Center

"Willkommen zurück in Köln, Alex!": P1 | German Aerospace Center

Berlin | International Space Station

Farewell: Reid & Alexander | ISS Expedition Crew 41 | NASA/ESA

Plumbing Coastal Depths in Titan's Kraken Mare Sea | NASA

ESA Google Hangout with Astronaut Samantha Cristoforetti

Bellingshausen Sea, Antarctica | NASA Operation IceBridge

Hoover Dam, Southwestern United States | Earth | Satellite

U.S. Aircraft Carrier USS Constellation | NASA Operation IceBridge

Alexander Gerst after landing: View 3 | European Space Agency

Alexander Gerst after landing: View 2 | European Space Agency

Alexander Gerst after landing: View 1 | European Space Agency

Touchdown!