Suni Williams conducted a record-breaking spacewalk outside the ISS. An amateur astrophotographer photographed her from Earth.

Two astronauts -- one in space, and one on Earth -- will discuss daily life on the ISS, and you can ask them questions in the ...

Researchers said on Thursday that they had discovered twin-lobed radio jets they suspect were formed when the universe was ...

Stranded NASA astronaut, Sunita Williams, has broke the space-walk record by a woman, reaching a total of 62 hours and six ...