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 ...

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

Comet 3I/Atlas may be the oldest spotted so far and should be visible through amateur telescopes in just a few weeks' time.

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

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

AN INTERSTELLAR space rock zooming through our solar system may be the oldest comet ever seen by humans, according to ...

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

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

Astronomers have discovered yet another alien visitor to the Solar System.