COLUMBUS, Ohio — In a cosmic first for this decade, astronomers have identified a mysterious comet from another galaxy — ...

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...

Astronomers tracking an interstellar object flying through the solar system think it comes from a star at least 8 billion ...

3I/ATLAS, also known as C/2025 N1, is a comet from interstellar space, meaning it originated in another star system and entered our solar system on a one-time flyby. It was first spotted by the ATLAS ...

All eyes are on Comet 3I/ATLAS as astronomers worldwide chase the exotic ice ball through our solar system ...

Astronomers are scrambling to gather data on a mysterious object that’s currently hurtling through the solar system.

C/2024 G3 (ATLAS) is one of the few comets on record that became bright enough to be visible in the daytime without optical aid like binoculars or a telescope.

Thursday night could be one of the last nights you'll be able to see a super rare comet and its bright tail streaking across the Australian skies. It's called Comet C/2024 G3 (ATLAS) and for the ...

New photos of comet C/2024 G3 (ATLAS) suggest that it could be disintegrating due to "thermal stress" from its recent slingshot around the sun. However, its fate is still unclear.

Comet C/2024 G3 (ATLAS) did it! It survived its perilous perihelion, getting ten times closer to the Sun than Earth does. This comet is a sungrazer comet, and the encounter made it bright – so ...

A photo taken from the International Space Station captures the brilliant comet known as C/2024 G3 ATLAS, which could be the brightest of 2025.