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

Odds considered good that the 1,091-pound lander probe, which consists equipment encapsulated in a spherical pressure vessel, ...

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 ...

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 ...

President Donald Trump on Monday celebrated National Astronaut Day on the 64th anniversary of Alan Shepard becoming the first ...