Scientists say that 3I/ATLAS has likely been traveling through interstellar space for a long time. Based on how fast it was ...

By Tom Hawking Published Nov 30, 2025 9:00 AM EST Tayfun Coskun/Anadolu via Get the Popular Science daily newsletter💡 ...

The object is expected to make its closest approach on December 19, 2025, passing by at a distance of approximately 167 ...

It's possibly as big as Manhattan, likely older than our own solar system, and it's traveling through space at speeds of up ...

The rare interstellar comet, also known as 3I/ATLAS, was first discovered in July and has been photographed several times.

NASA shares new data on interstellar comet 3I/ATLAS, including HiRISE, Hubble, Webb & MAVEN observations, comet behavior and ...

Imagine stumbling upon a time capsule that has travelled for billions of years, untouched by the chaos of our own solar ...

Comet 3I Atlas is currently ~186 million miles from Earth, which is twice the distance from the Earth to the sun. It is ...

While the feds idled, an interstellar object known as 3I/ATLAS was barnstorming the solar system, at a speed that reached 153 ...

NASA released new images of 3I/ATLAS, the third comet ever to be discovered in Earth's cosmic neighborhood originating from ...

The object is the third interstellar visitor to our solar system ever confirmed. It will reach its closest point to Earth ...

The unusual comet—which is to pass Earth again in the coming weeks—is only the third known object to visit us from outside ...