A French astronaut preparing to serve as a best man this summer brought his friends' wedding rings into space with him, Space.Com reported.
Fox News Sunday anchor Chris Wallace joined Shepard Smith Thursday to remember astronaut John Glenn, who died at the age of 95.
Tense audio that played on Happening Now today reveals the first moments U.S. astronaut Tim Kopra called in to report a water leak in his helmet.
A comet resembling a human skull zipped past Earth on Saturday, spooking NASA scientists who didn't see it coming until three weeks ago.
NASA astronaut Scott Kelly and Russian cosmonaut Mikhail Kornienko are one-third of the way through a record-breaking year-long mission in space.
On "Your World" today, astronaut Captain Gene Cernan discussed his fears for America's space program after a SpaceX rocket exploded yesterday.
A SpaceX rocket carrying supplies to the International Space Station exploded shortly after takeoff Sunday.
A new documentary focuses on the last human being to set foot on the moon.
NASA captured incredible video of the sun ejecting a plume of plasma that was “many times the size of Earth.”
An American astronaut is about to do what no man has done before — spend an entire year living in space.
A treasure trove of Apollo 11 equipment was discovered in Neil Armstrong's home by his widow.