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

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

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

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

A new wave of amateur observations of the interstellar object 3I/ATLAS has revived debate about whether it is behaving like a ...

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

A fireball lit up the skies over the Great Lakes in the early hours of Sunday and was visible for hundreds of miles.

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

According to the team, the object likely came from the direction of Sagittarius, and will depart our Solar System towards ...

NASA on Wednesday released new images and data of Comet 3I/ATLAS, the rare interstellar object that set off weeks of ...

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