Astronomy

A new study suggests that millions of tiny space rock fragments, which were ejected from the 2022 collision between asteroid Dimorphos and NASA's DART spacecraft, may be on a collision course with Earth and Mars.

Voyager 2, NASA's longest-running mission, explored Neptune during a historic encounter on Aug. 25, 1989, sending back humanity's first close-ups of the planet.

August's full moon was the first of four supermoons this year. We've rounded up some of the best photos worldwide.

An astonishing scene featuring Perseid meteors and colorful auroras played out overnight on Aug. 12 and Aug. 13 above the U.K.'s 11th Century Corfe Castle.

The moon was once engulfed by a massive magma ocean, analysis of geological samples collected by India's Chandrayaan-3 mission suggests.

A tiny fraction of known black holes emit X-ray signals that resemble a human "heartbeat." Now, new research may finally explain the strange phenomenon.

Overnight on Aug. 20-21, the full 'Sturgeon Supermoon' briefly occulted, or passed in front of, Saturn, snuffing the ringed planet's light from the sky. An epic new astrophotography image captures the entire spectacle from start to finish.

Stars that wander too close to supermassive black holes may be violently undone in a process called "spaghettification." New simulations provide the most detailed look ever at the gory interaction.

Astronomers have pinned down a faraway black hole's snack schedule after watching it devour a star across years.

Last year, Earth spewed charged particles into the sun in a rare cosmic event that has surprised scientists.