NASA’s Curiosity rover achieved a historic milestone by capturing the first-ever image of Earth alongside Phobos, one of Mars ...

Earth is an extraordinary place, filled with remarkable creatures and landscapes that often surpass our understanding un ...

It has been a generation since Los Angeles had a major earthquake disaster. Even in an active seismic year, many residents ...

For nearly two months this year, Earth’s moon will have company — a second moon. Technically, it isn’t a second moon, but ...

At times during the past half-billion years, carbon dioxide warmed our planet more than previously thought, according to a ...

The partial lunar eclipse shone bright across a portion of the planet this week. Unlike a total lunar eclipse, a partial ...

Fighting to keep Sean “Diddy” Combs out of jail after his sex trafficking arrest, the music mogul’s lawyers highlighted a ...

See 10 of the week’s most interesting images from around the world, as selected by Washington Post photo editors.

An incredible photo shows Earth photobombing Mars' moon Phobos. It is the first time ever the two have been captured together ...