Harvard astrophysicist Avi Loeb has cowritten a research paper speculating whether the comet 3I/ATLAS is in fact "hostile" ...

Scientists are exploring various proposals to repurpose existing spacecraft in order to chase after the interstellar object ...

A Harvard astrophysicist has suggested that a newly discovered comet passing through our solar system might be an alien spacecraft in disguise. The claim by Professor Avi Loeb has split opinion in the ...

The strange 3I/ATLAS comet that was recently discovered to be speeding through our solar system could actually be the work of ...

"We should put all possibilities on the table that it's a rock, a comet, or something else until we get the evidence, the ...

Detailed photos from the newly operational Vera C. Rubin Observatory have revealed that the recently discovered interstellar ...

Comet 3I/ATLAS was first identified by the Asteroid Terrestrial-impact Last Alert System (ATLAS), a global network of four ...

The long-serving space telescope saw the third interloper to enter the solar system from beyond its limits late on Monday ...

"It could represent some of the oldest and most pristine water ever observed, formed in another planetary system and ...

However, we might also want to look for hints of alien origin. One very strong piece of evidence would be any kind of radio ...

The NSF-DOE Vera C. Rubin Observatory in Chile recently captured rare footage of the visitor known as 3I/ATLAS — only the third interstellar object discovered. What’s more impressive: The observatory ...

A comet that was born in another solar system and could be billions of years old is hurdling through Earth’s solar system — a ...