Astronauts Steven Smith and John Grunsfeld, appear as small figures in this wide-angle photograph from December 1999, taken ...

Mark Rocket joined Jaime Alemán, Jesse Williams, Paul Jeris, Gretchen Green and Amy Medina Jorge on board the RSS First Step ...

NASA also celebrated its 50th anniversary in 2008 by transmitting a song directly into deep space: the Beatles’ “Across the ...

SpaceX's Starship rocket roared into space from Texas on Tuesday but spun out of control about halfway through its flight ...

After back-to-back Starship upper stage failures, SpaceX on Tuesday again launched the world's most powerful rocket, but ...

Innovative ways to bury the dead will be needed in the near future, especially in overcrowded urban areas, according to a new ...

Middle school students in Salt Lake City are slipping on headsets and stepping into outer space— all without leaving the ...

The author's new title, recently announced as Good Morning America' s June book club pick on June 3, explores a romantic ...

And that’s how I learned about this one when NASA first was incepted, and they were flying the first men into space. They had put out a call and said, American companies, we need a way to figure ...

SpaceX's Starship rocket roared into space from Texas on Tuesday but spun out of control about halfway through its flight ...

Stars whizzing by our solar system could cause more havoc than astronomers previously thought, from sending Pluto’s orbit haywire to forcing Mercury to fly into the sun – or even ...