The livestream will now begin Friday at 11 p.m. EST, Dec. 19 (0400 GMT on Dec. 20), weather permitting, after rain prevented ...

The three-person crew will spend about eight months aboard the orbital laboratory conducting scientific research. This mission comes as the ISS marks 25 years of continuous human presence in orbit.

Comet 3I/ATLAS, the third interstellar object ever detected, reached its closest point to Earth overnight from Thursday to Friday (Dec. 18 to 19), and it remains in a good viewing position tonight.

On Christmas Eve 1968, Apollo 8 crewmembers Frank Borman, Jim Lovell, and Bill Anders made a live broadcast from orbit around the Moon.

Streaming Media Connect will launch December 9 with an exclusive Keynote Fireside Chat featuring GM & Head of NASA+ Rebecca Sirmons. Titled "Streaming the Universe with NASA+," the conversation will ...