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 ...

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

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

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

NASA is studying mysterious radio pulses from interstellar comet 3I/ATLAS, which some speculate could hint at alien ...

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 are stunned as interstellar comet 3I/ATLAS erupts early from behind the Sun, releasing a 10,000 km gas jet and ...

The interstellar comet 3I/ATLAS is now reaching its closest point to the sun, or perihelion, on Wednesday, according to NASA.

The interstellar object 3I/ATLAS has shown surprising signs of nickel vapor, confusing scientists and raising questions about ...

The interstellar object was first captured by scientists in July as an expert it warns it could be extra-terrestrial ...