Solar System
Our Beautiful Earth – Happy New Year Photos and Greetings from the ISS Crew
Spectacular View of the Alps From Space! Expedition 42 Flight Engineer Samantha Cristoforetti of the European Space Agency (ESA) took…
Asteroids Don’t Break Up Like You Think They Do: Study
The early Solar System was a shooting gallery. Smaller-body collisions happened far more frequently than we see it today, pockmarking…
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10 Space Science Stories to Watch in 2015
A new Avengers movie. A reboot of the Star Wars franchise. The final installment of the Hunger Games. The Martian…
Where Did Europa’s Water Geyser Go? Hubble Double-Checking Its Work
It was about this time last year that Europa really began to excite us again. Following a sci-fi movie about…
Mercury Spacecraft’s 2015 Death Watch Could Go One More Month
If all goes well -- and there's no guarantee of this -- NASA's venerable Mercury sentinel may have an extra…
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Best Space Photos Of 2014 Bring You Across The Solar System
Feel like visiting a dwarf planet today? How about a comet or the planet Mars? Luckily for us, there are…
Work Those Quads: Our Guide to the 2015 Quadrantid Meteors
Quick… what’s the only major meteor shower named after a defunct constellation? If you said the January Quadrantids, you’d be…
Marvelous Moondance: Jupiter Satellites Caught Eclipsing And Transiting
On Christmas Eve, as millions upon millions of people focused on wrapping gifts and getting ready for the holidays, an…
Incredible Towering Structures Cast Shadows Across Saturn’s Rings
From a distance, Saturn's rings look like a sheer sheet, but peer up close and you can see that impression…
Station Astronauts Send Christmas Greetings from the International Space Station
ISS astronauts Barry “Butch” Wilmore, NASA, Samantha Cristoforetti, ESA and Terry Virts, NASA send Christmas 2014 greetings from the space…