An interstellar comet that originated outside our solar system just made its closest pass of the sun, setting it on an ...

The 3I/ATLAS comet was first spotted in July near Jupiter after it entered our solar system from another universe. Here’s ...

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

A purported ESA whistleblower leak suggests 3I/ATLAS has an 'engine-like sound.' Read the shocking claims of an alien object ...

NASA has confirmed that interstellar comet 3I/ATLAS safely passed Earth without any deviation from its predicted trajectory, ...

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

The European Space Agency's ExoMars orbiter has captured the closest view yet of the interstellar comet 3I/ATLAS. The images ...

The interstellar object 3I/ATLAS, also known as C/2025 P1 (ATLAS), has now passed its perihelion, the closest point to the ...

Interstellar comet 3I/ATLAS has been flying around the sun to reach perihelion (its closest point to the sun) on Thursday ...

Perihelion for 3I/ATLAS takes place on Oct. 30, when the interstellar interloper will be 1.35 astronomical units (125 million ...

After conjunction and perihelion, the comet has come out from behind the solar glare and the first image shared.

A Harvard University professor has said that 3I/ATLAS experienced a sudden "nongravitational" acceleration while passing ...