Professor Avi Loeb, a theoretical physicist and cosmologist from Harvard University, told MailOnline why he thinks a new ...

It was only discovered last month (1 July) by the ATLAS survey telescope in Chile and NASA was quick to confirm that the ...

I/Atlas was first spotted on July 1 by the Asteroid Terrestrial-impact Last Alert System (Atlas) survey telescope in Río ...

The object is big – possibly as wide 12 miles, larger than the asteroid that wiped out the dinosaurs – and is speeding ...

A mysterious visitor from another solar system could be an alien spacecraft, according to a leading Harvard astronomer.

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

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

New research has revealed everything astronomers currently know about the mysterious interstellar object 3I/ATLAS.

Scientists have been studying an interstellar object that's currently moving through our solar system which was first spotted on 1 July. It has been called 3I/ATLAS because of what spotted it, and ...

When the news started to spread on July 1, 2025, about a new object that was spotted from outside our solar system, only the ...

The interstellar comet 3I/Atlas is the fastest and largest of its kind, giving astronomers a rare glimpse into extrasolar ...

Astronomers have observed an object that originated from beyond our solar system, thought to be an interstellar comet, ...