I/ATLAS is rich in carbon dioxide and challenging comet-theories. NASA's latest findings reveal why this interstellar visitor ...

NASA’s James Webb Space Telescope has captured the first detailed look at a carbon-rich disk surrounding the exoplanet CT Cha ...

Interstellar comet 3I/ATLAS is making a rare visit to our solar system, reaching perihelion near Mars' orbit on October 30, ...

The James Webb Space Telescope has, for the first time, measured the carbon-rich concoction that forms a moon-forming disk of gas and dust around a newly formed planetary body. It is hoped the ...

A viral social-media clip claiming to show 3I/ATLAS has been debunked by scientists—here's what the footage really shows, why ...

Webb just spotted a carbon-rich moon factory 625 light-years away, revealing how moons like ours may have first taken shape.

Interstellar visitor 3I/ATLAS reaches perihelion, its closest approach to the Sun at 1.4 AU, just inside Mars' orbit.

Astronomers have identified Comet 3I/ATLAS as an interstellar object, making it only the third confirmed visitor from outside ...

Comet 3I/ATLAS is warming up as it approaches the sun, causing a jet to emerge. The jet is visible in a dramatic new image.

Astronomers have traced the 12-billion-year journey of interstellar comet 3I/ATLAS, believed to be the oldest comet ever ...

NASA said the comet will pass slightly inside Mars’ orbit when it reaches this point, around October 30, 2025, at a distance of about 1.4 AU, or approximately 130 million miles. | World News ...

As 3I/ATLAS approached the inner solar system in September, the Nordic Optical Telescope in Spain's Canary Islands recorded a ...