NPR's Kelly McEvers speaks with NASA Commander Scott Kelly and Russian cosmonaut Mikhail Kornienko, who are spending the year on the International Space Station.
Working far apart, both Takaaki Kajita and Arthur B. McDonald found that neutrinos shift identities like chameleons in space — and that they have mass.
The exhaust plume left by the booster, which was carrying a Mexican satellite into orbit, left some strange and interesting patterns in the morning sky.
The movie about a stranded astronaut is being hailed for its scientific realism. Andy Weir, who wrote the book the film is based on, is a longtime computer programmer who sees romance in numbers.
One reason is that it would take the Curiosity rover about a year to get there, even with no obstacles and no traffic. But the other reason might surprise you.
Scientists spent decades arguing that women weren't suited for space travel because of menstruation. Even now, a lot of us are wondering how astronauts manage that time of the month.