Explore astronomy, from the latest trip to the International Space Station to alien planets outside our solar system.
Learn more about the blue-green planet that is four times as large as Earth and is covered by methane gas clouds.
Museums will have to make special accommodations for the shuttles, and will have to pay the nearly $30 million bill to transport the shuttles.
Video: Cosmonaut Yuri Gagarin's first orbital flight made history in 1961 and set the pace for the U.S.-Soviet space race.
Before making his pioneering voyage into space 50 years ago, Gagarin made sure he had enough sausage to last him for the trip home to Moscow.
Mark your calendars for an impressive and upcoming flyby of an asteroid that’s one of the larger potentially perilous space rocks in the heavens – in terms of smacking the Earth in the future.
As the anniversary of the first person in space approaches, a look back at some of the most impressive records in space history.
Without the Soviets rushing into space, the American push to the stars may not have happened as quickly.
The space shuttle, the first reusable spaceship ever built, has had an indelible impact on America.
Scientists suspect the star may have drifted too close to a black hole and was torn apart.
Essential employees — those who keep astronauts safe and technology functioning — would remain while other employees would most likely be furloughed.
Wandering asteroid could have come from the asteroid belt or leftover debris from an ancient impact on the Moon.
NASA is studying a surprising cosmic burst in a distant galaxy that has burned for more than a week, longer than astronomers have ever seen.
Cuts in the agency's life and physical science programs has left it ill-prepared for new goals of deep space exploration
First launch of SpaceX's heavy rocket could be as soon as soon as 2013.
There are up to 30 percent more fireballs and meteoroids in spring than in autumn, and scientists are not exactly sure why.
Activist and author blogs about politics, energy and Earth's resources.
Science journalist blogs about humans and other wildlife.