Water has been seen in Jupiter's stratosphere before, and now researchers know where it came from. A massive comet smashed into the surface helped ferry the water to the giant planet.
It's fireball season for Earth. But don't worry; it's not literal. Instead, you'll get some amazing opportunities to see cosmic lightshows from your very own backyard.
NASA has released a video revealing three years in our sun's life, chronicled with stunning images.
The next departure to the Red Planet is 2022, with a return of never.
The Lyrid meteor shower occurs just once a year, and now you can see it for yourself. Find out how and where to watch the spectacular display.
Long before our solar system formed, stars burned brightly in our Universe before becoming explosive supernovas and slowly winking out of existence. Now scientists are finding out a little bit more about these ancient stars by examining the specks of cosmic dust carried to Earth in meteorites.
NASA officials remain firm that sex between astronauts should never take place.
On sunny Sunday, April 21, the first Antares rocket test launch was successful. Lift-off took place at 5:00 p.m. (EDT) from the Mid-Atlantic Regional Spaceport (MARS) located at NASA's Wallops Flight Facility in eastern Virginia, followed by payload separation approximately 10 minutes later and miss...
Orbital Science Corporation's Antares Rocket is ready for takeoff after the strong Vancouver wind force it to wait delay its launch time by about an hour.
Russian veteran cosmonauts Pavel Vinogradov and Roman Romanenko ventured outside of the International Space Station Friday, installing a space weather monitor and replacing a navigation aid before wrapping up a six-hour 38-minute excursion.
A Russian man became the world's oldest spacewalker today when he stepped outside the International Space Station. Now, you can watch him live.