Suni Williams surpasses the most time by a woman on EVA during a spacewalk with Butch Wilmore outside the International Space Station.

Despite the statement from President Trump, NASA had already scheduled the astronauts' return for late March or April.

A NASA spacecraft has returned asteroid samples that hold not only the pristine building blocks for life but also the salty remains of an ancient water world.

There are 20 amino acids that create the proteins required for life on our planet — and scientists have now found exactly 14 of them on an asteroid millions of miles away. The asteroid in question, named Bennu, was the focus of a very dreamy NASA mission called OSIRIS-REx that launched in 2016.