Stuck NASA astronauts prepare to return

NASA researchers suggest that adding microbes to space habitats could help astronauts' immune systems stay stronger.
Milky Way photography can yield some stunning shots from here on Earth. But what if you had a vantage point at some 400km ...
The megaphone-shaped spacecraft, called SPHEREx — short for Spectro-Photometer for the History of the Universe, Epoch of ...
The NG-18 Cygnus spacecraft departed the International Space Station and burned up in Earth's atmosphere the following day.