The four-person team successfully splashed down in the Atlantic Ocean Saturday evening.
New research suggests that fire from the sky in the form of a small asteroid annihilated a city near the Dead Sea 3,600 years...
The fall equinox happens on Wednesday. A planetary scientist shows what happens on the equinox that divides the seasons.
Thoughts on the optimal number of astronauts on that first mission to Mars.
Thoughts on the optimal number of astronauts on that first mission to Mars.
Physics researchers at the University of Bath in the UK discover a new physical effect relating to the interactions between light...
Sleep is one of the most vital things a human does, but millions of us don't do enough of it.
SpaceX founder Elon Musk has promised to donate $ 50 million to St. Jude Children's Research Hospital to exceed the $ 200 million...
A 21st century repeat of the sort of coronal mass ejection the Sun shot out in 1859 could be disastrous.
The celestial highlights for the week ahead.