Astronomers have found thousands of exoplanets around single stars, but few around binary stars—even though both types of ...

For those who watch gravitational waves roll in from the universe, GW250114 is a big one. It's the clearest gravitational ...

Astronomers have long faced a strange contradiction: most stars are born in pairs, and ...

Albert Einstein won the 1921 Nobel Prize in Physics, but not for relativity—the theory that made him famous. This article ...

There is no wiggle room once you land on Mars. You either have what you need to survive, or you die. That risk is dramatically portrayed in the sci-fi book and movie "The Martian," in which a stranded ...