Scientists have updated their forecast for the current solar cycle, which usually lasts about 11 years. Solar activity is now expected to peak earlier and to be stronger than previously thought.

The Southern Taurids meteor shower is set to peak Sunday and Monday, giving viewers a chance to see what are often called shooting stars soaring above our planet.

He piloted Apollo 16 and commanded the shuttle. But he may be best known for the mission he didn't fly: the ill-fated Apollo 13. And he worried late in life about the high cost of human space flight.

Physicist Carlo Rovelli is unique among modern scientists who write for popular audiences in his ability to capture the purest essence of his science with both precision and lyricism.

For many Indigenous cultures, a solar eclipse honors tradition.

Didn't catch the rare spectacle? We've rounded up some photos of the celestial event, snapped as the moon charted its path over U.S. skies.

Scientists are thrilled with the tiny asphalt-black rocks, and most of the sample hasn't even been revealed yet.

A NASA mission called Psyche is about to launch on a mission out to an unusual asteroid that's scientists believe is largely composed of metal.

NASA-backed researchers say that millions of acres of farmland have been abandoned due to the conflict.

Black holes may seem like interstellar enigmas, but they hold some key lessons on how to move through the universe.

A supermoon occurs when the moon is closest to Earth along its elliptical orbit, which means it can appear larger and brighter to viewers. The last one of the year will be visible Thursday and Friday.

NASA's Osiris-REx mission has successfully returned a pristine sample of asteroid back to Earth. This cupful-or-so of space rock could shed light on the solar system's origins.

This theoretical physicist and mathematician drops a new video several times a month, dispensing her dry wit and pithy wisdom to a loyal fan base of nerds across the internet.

NASA's first effort to retrieve samples from an asteroid will send a capsule that contains extraterrestrial pebbles and dust plunging towards a Utah desert on Sunday.

"The discovery signals a potentially habitable environment in the ocean of Europa," according to the Webb Space Telescope's website.