In the latest research, telescope observations of 3I/ATLAS examine its chemical structure and suggest that it took shape in a ...

Based on the composition of gases spewed by the icy space rock, researchers estimate that our guest might be up to 12 billion years old—about three times the age of the solar system ...

A mysterious object from beyond our solar system is moving through space at extreme speed, leaving scientists racing to understand what it is before it disappears. Its strange origin, trajectory, and ...

One year ago, on July 1 2025, astronomers discovered a fascinating new object moving through the Solar System. Detected by the Asteroid Terrestrial-impact Last Alert System (ATLAS), the object was ...

Exactly where the comet 3I/ATLAS came from within the Milky Way remains a mystery.

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

For millions of years, a frozen wanderer drifted between the stars before slipping into our solar system as 3I/ATLAS—only the third known interstellar comet ever spotted. When scientists turned NASA’s ...

Our solar system is a celestial shooting gallery, chock-full of flying projectiles that one day could threaten Earth—so what ...

A best-yet measurement of one of general relativity’s most mind-boggling effects is “another feather in Einstein’s cap” ...

The project aims to preserve climate-related data, public statements, scientific material, media coverage, and online ...

Nearly every massive galaxy observed hosts a supermassive black hole at its center. NASA’s James Webb Space Telescope has discovered that some of these supermassive black holes may even be too big for ...