An interstellar comet spotted by NASA is headed for our solar system, showing up near Earth later this year, but it's another ...

A shocking discovery on the surface of the interstellar object dubbed 3I/ATLAS could confirm that it was artificially ...

Confirmed as an alien comet, new observations have given us a much better idea of how large this interstellar object actually ...

Scientists are investigating more details about a 'potentially hostile alien threat' moving through our solar system ...

A mysterious interstellar comet named 3I/ATLAS is hurtling toward our solar system — and it's unlike anything we've seen ...

The discussion underscored how citizen scientists, by contributing thousands of data points from around the world, are ...

Astronomers have spotted only three objects known to have come from outside our solar system. The newest, called 3I/ATLAS, is already raising eyebrows. First seen this summer, it doesn’t quite behave ...

Hubble telescope captures third interstellar visitor 3I/ATLAS showing active dust coma racing through solar system.

However, we might also want to look for hints of alien origin. One very strong piece of evidence would be any kind of radio waves coming from the probe as a form of communication. This is assuming the ...

Last month, astronomers made an exciting discovery, observing an interstellar object — only the third of its kind ever ...

A Harvard scientist who claims that an object hurtling through space may not be a comet but in fact an alien probe has said ...