NASA concluded a balloon mission in which a super-pressure balloon circumnavigated the Earth over the southern hemisphere in ...

NASA concluded a balloon mission in which a super-pressure balloon circumnavigated the Earth over the southern hemisphere ...

Astronomers are once again getting excited about a rare nova that could appear in the night sky anytime from now into the ...

The day has become 0.06 microseconds longer, and the Earth's axis has shifted by about 2 cm due to the Chinese Three Gorges ...

On National Astronaut Day, a day dedicated to celebrating America’s space icons, the U.S. Army Space and Missile Defense ...

Veteran astronaut Don Pettit conducted hundreds of hours of research and captured over half a million photos during his ISS ...

Pointed away from Earth about 404 miles overhead, the orbital observatory will circle the planet from north to south about 14 ...