Some fear we’ll be buried in brimstone; others expect to be extinguished by A.I. But is there comfort to be found in our ...

The idea of cosmic threats to Earth almost sounds like the stuff of fiction. But while alien invasions may be far fetched, ...

Slated for a 2027 launch, NASA's NEO Surveyor mission is advancing through critical testing phases to enhance our planetary ...

The case of mistaken identity was quickly resolved, but astronomers say it shows the need for transparency around craft in ...

An unusual looking 33-foot-long object discovered orbiting Earth last year may have come from a surprising place.

While Earthlings were wrapping gifts and preparing holiday buffets this past Christmas Eve, a rocket named for a south ...

The asteroid is about 33 feet (10 meters) across and poses no danger to Earth. It joins another known lunar asteroid ...

Comet ATLAS (C/2024 G3) came within 8.3 million miles of the sun on January 13 as it reached its perihelion, and is now disintegrating.

In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small and in the Milky Way, while Curtis took a more radical position that they ...

G3 (ATLAS) showed off its spectacular tail plumage to NASA spacecraft when it flew close to the sun this month.

The so-called 'planetesimal belts' are filled with tiny millimeter-sized particles created by collisions between comets.