The comet is the third object ever confirmed to have entered our cosmic neighborhood from elsewhere in the galaxy. Space ...

The interstellar comet 3I/ATLAS has just done something no visitor from another star system has ever been caught doing: it ...

A mysterious interstellar comet known as 3I/ATLAS is about to make its closest approach to Earth in December 2025. Here's ...

3I/ATLAS comet is the 3rd-ever object discovered that originated from outside our solar system. It's not a threat, approaches ...

Interstellar comet 3I/ATLAS, a visitor older than the Sun, has stunned scientists with a colossal, puzzling X-ray cloud ...

The interstellar comet 3I/ATLAS is racing away from the sun. Hubble and JWST track the object's strange composition: high CO2 ...

Astronomers have discovered that 3I/ATLAS is carrying methanol and other chemicals that were probably important in the origin ...

New images from the Hubble Space Telescope and ESA’s JUICE spacecraft show interstellar comet 3I/ATLAS as it moves through the inner solar system, offering new details about its path, activity, and un ...

Scientists are preparing for their best look at it yet.

A study of the interstellar comet 3I/ATLAS reveals surprising characteristics: traveling at 57 km/s, it challenges ...

Analysis of the second confirmed interstellar comet to visit our solar system suggests that the alien body could be covered ...

New 3I/ATLAS images from NASA and the ESA suggest the interstellar comet is active as it approaches Earth in December.