We've all heard that the Universe is expanding, but why is it expanding? What's the force pushing everything outwards? If…
After years of effort, NASA’s pathfinding Orion spacecraft was rolled out to the launch pad early this morning, Wednesday, Nov.…
Sometimes first impressions are poor ones. When the Voyager 2 spacecraft whizzed by Uranus in 1986, the close-up view of…
Hey, we're getting closer! This photo was taken by Philae's ROLIS instrument just 1.8 miles (3 km) above the surface…
The surviving co-pilot of the Virgin Galactic crash was unaware that SpaceShipTwo's re-entry system was unlocked prematurely during the flight…
We did it! We're on the comet! At about 9:37 a.m. (CST) Philae touched down on Rosetta's Comet. After traveling more…
If it weren't for the Sun, Jupiter's Great Red Spot would be a much blander feature on the gas giant,…
Anticipation is intense as the Philae lander free-falls to the surface of Comet Churyumov-Gerasimenko this morning. The final "Go" for separation from…
Tune in to the song of Comet Churyumov-Gerasimenko Scientists can't figure exactly why yet, but Comet 67P/Churyumov-Gerasimenko has been singing since…
We are now in the final hours before Rosetta’s Philae lander is released to attempt a first-ever landing on a…