The International Space Station may be seriously graying at the temples, but that doesn't mean it still can't contribute meaningfully to science. Trace explains why the venerable space lab still matters.
NASA flight engineer Terry Virts paid respects to Leonard Nimoy from the International Space Station.
Russia says it will support U.S. plans to keep the International Space Station operating through 2024, but then wants to split off three still-to-be launched modules to form a new orbital outpost.
An American astronaut found water inside his spacesuit helmet at the end of an otherwise flawless spacewalk outside the International Space Station on Wednesday.
The Dragon spacecraft splashed down Tuesday at 7:44 p.m. EST in the Pacific Ocean off the coast of Baja California.
NASA astronaut Ron Garan won't only help you explore space, he'll give you a new perspective on Earth in his new book.
Are identical twins still identical after one spends a year in space?
NASA astronaut Terry Virts managed to photograph Comet Lovejoy from orbit.
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