A mystery interstellar object discovered last week is likely to be the oldest comet ever seen—possibly predating our solar ...

A mystery interstellar object spotted last week by astronomers could be the oldest comet ever seen, according to scientists.

However, new research has shown this potentially "water ice-rich" visitor could be even more extraordinary than initially ...

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...

Astronomers tracking an interstellar object flying through the solar system think it comes from a star at least 8 billion ...

A renowned physicist believes he's cracked the mystery of where a giant unidentified object hurtling through our solar system ...

The ATLAS (short for Asteroid Terrestrial-impact Last Alert System) is a NASA-funded program developed by the University of ...

Aster G. Taylor is a Ph.D. candidate in Astronomy and Astrophysics at the University of Michigan, Ann Arbor and a 2023 Fannie ...

The icy traveler, called 3I/ATLAS or Comet ATLAS, was discovered on July 1 by the NASA -funded ATLAS survey telescope in Río Hurtado, Chile. This enormous space snowball came from the direction of the ...

For only the third time in recorded history, an interstellar object has crossed into our solar system, creating quite the ...

What at first seemed a routine detection of an object travelling through the solar system soon turned out to be anything but. The object’s trajectory revealed it to be a much rarer visitor than first ...

Astronomers recently confirmed that a mysterious object, dubbed 3I/ATLAS came from interstellar space, blowing through the ...