NASA astronauts Don Pettit and Matt Dominick answered questions from chat and discussed daily life on the ISS.

NASA's Don Pettit impersonated fellow astronaut Matthew Dominick to show what it's like when two astronauts get to nerd out ...

Joe Raedle / Getty Images Two astronauts whose eight-day visit to the International Space Station turned into a more than eight-month layover are expected to return to Earth in March. NASA ...

By Katrina Miller NASA and European scientists explain how they calculate the probability of the space rock 2024 YR4 impacting our planet, and why it’s not yet time to worry. By Robin George ...

Trump Holds Call With Putin to Start Talks on Ending Ukraine War President Trump said he had “a lengthy and highly productive” call with President Vladimir Putin of Russia, their first ...

The British company Sen has launched a commercial 4K live stream from space, the very first of its kind. The stream offers ...