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

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

Astronomers have spotted a new interstellar object — the third of its kind ever seen — shooting towards us through the solar ...

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

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

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

A rock from another solar system is a direct probe of how planetesimal formation took place at another star,” explained ...

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

Astronomers have discovered a new interstellar visitor, 3I/ATLAS, which is believed to be the oldest comet ever observed. The comet is estimated to be around 7 billion years old.

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

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

As 3I/ATLAS approaches the sun, astronomers expect its frozen ices to sublimate, releasing gas and forming a glowing coma and ...