The interstellar visitor may still have a few things to tell us before it leaves our solar system.

NASA’s TESS tracked the interstellar comet during a special observation period from January 15 to 22, 2026.

I/ATLAS is the third interstellar visitor ever to visit the solar system having been formed around a distant star.

3I/ATLAS is the fastest comet ever recorded and its interstellar! NASA's Goddard Space Flight Center explains. Credit: NASA's ...

New polarimetry data on interstellar comet 3I/ATLAS reveals bizarre refractory dust, proving this alien visitor formed in a ...

Astronomers found an interstellar "tunnel" - a cosmic channel that connects our solar system to distant stars, according to a ...

A team of astronomers found no radio signals from the comet that would suggest it is an extraterrestrial spaceship. The comet was confirmed in July 2025 as the third known object to enter our solar ...

Scientists have shown that the building blocks of proteins can form naturally in deep space. This means the raw ingredients ...

The object was first detected by the ATLAS telescope system in Hawaii, originally appearing to be an ordinary comet. However, ...

NASA’s TESS spacecraft tracked interstellar comet 3I/ATLAS in January, capturing data on its motion, brightness, and rotation before it left the solar system ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. CAPE CANAVERAL, Fla. (AP) — NASA has ...