NASA astronauts Butch Wilmore and Suni Williams set out for a weeklong mission at the International Space Station last year.

Kalpana Chawla, born March 17, 1962, was an Indian American astronaut who died in the 2003 Space Shuttle Columbia disaster.

Venus is a Victim of a Rampant Greenhouse Effect Venus's atmosphere is made mostly of carbon dioxide, one of the greenhouse ...

CAPE CANAVERAL, Fla. (AP) — The replacements for NASA’s two stuck astronauts launched to the International Space Station on ...

Butch Wilmore and Sunni Williams have spent nine months aboard the International Space Station following the failure of ...

For this reason black holes are invisible to the eye, as lightless as the empty, dark space surrounding them. Scientists know they exist not because they can see an actual hole, b ...

Pi Day celebrates the mathematical constant π. First marked in 1988, it became an official US holiday in 2009, encouraging ...

Faint signatures detected by the Canada France Hawaii Telescope have revealed 128 new moons around Saturn, making it the ...

Spherex (the Spectro-Photometer for the History of the Universe, Epoch of Reionization and Ices Explorer) will survey ...

Ready for a show? On the night of March 13 into the early hours of March 14, a total lunar eclipse will occur as the moon moves into the Earth's umbra, or shadow, turning the bright white lunar ...