In a historic cosmic discovery, NASA has detected the chemical “fingerprint” of water on interstellar comet 3I/ATLAS, a rare visitor from beyond our Solar System. Scientists believe this breakthrough ...

James Webb Space Telescope observations show interstellar comet 3I/ATLAS has a 50-65 foot irradiated crust formed by billions of years of cosmic ray exposure. Research posted to arXiv indicates the co ...

Modern astronomy is giving us unprecedented views of the asteroids, comets, and other small bodies that litter our cosmic ...

A massive comet known as 3I/ATLAS that was first discovered zooming across the solar system over the summer showed signs of ...

The comet 3I/ATLAS, discovered on July 1, 2025, by the Asteroid Terrestrial-impact Last Alert System (ATLAS) in Hawaii, marks ...

Stargazers using telescopes should be able to see the object in the predawn sky beginning Nov. 11, according to EarthSky.

November's Sky Above episode features a supermoon, meteor shower, and interstellar comet, with experts discussing these ...

The interstellar comet 3I/ATLAS has a thick irradiated crust that no longer resembles its home star system, simulations and ...

What: Astronomers using JWST and ALMA have captured the earliest known stage of planet formation around the protostar ...

When Comet 3I/ATLAS roared into the solar system this summer, it launched a scientific scramble to study what astronomers ...

Astronomers are hustling to use interplanetary spacecraft to study the interstellar comet dubbed 3I/ATLAS while the sun is hiding it from Earth ...

Researchers rarely get a glimpse of an interstellar object up close like 3I-ATLAS, so they have jumped on the opportunity to learn about its composition, which can reveal how planet systems are made.