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

Such is the case with 3I/ATLAS, a third known interstellar object from outside of our solar system to be discovered, which was spotted by NASA’s ATLAS (Asteroid Terrestrial-impact Last Alert System) ...

A controversial new paper questions whether the interstellar object 3I/ATLAS is a potentially dangerous alien probe, similar to claims made about 'Oumuamua. But experts have called it "nonsense".

Earth's famous Hubble Telescope has just revealed the first images of a mysterious interstellar object racing through our ...

Sometimes serendipity happens in science. Whether it's an apple falling from a tree or a melting chocolate bar, some of the ...

The photos reveal a bright and well-developed coma, the cloud of gas and dust surrounding the comet's nucleus, with striking ...

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

"The consequences, should the hypothesis turn out to be correct, could potentially be dire for humanity," said Avi Loeb.

The comet was discovered on July 1 by the ATLAS (Asteroid Terrestrial-impact Last Alert System) survey telescope. Knowing ...

Most comets, including the well-known Halley's, loop through our solar system like cosmic time capsules that formed alongside ...

A rare lunar occultation, fading crescent moon, and an interstellar visitor make for a memorable week of stargazing in ...