Recently, astrophysicist Avi Loeb claimed that 3I/ATLAS boasts a “heartbeat”-like pulse that could provide evidence of the ...

Later in December, the 3I/ATLAS interstellar comet will get as close to Earth as it ever will. Here's what to know.

I/ATLAS caused concern as it flew past the Earth, with many fearing the planet could be hit — but after thankfully moving ...

Telescopes on Earth, along with multiple cameras in space, have captured a whole gallery of new imagery of this alien visitor ...

For decades, we saw Mars as a silent, still world. That view was wrong. Join us as we reveal the truth about the Martian sky.

A newly detected radio signal from 3I/Atlas matches the natural emissions of a comet, effectively ending the speculation that it is alien-made.

“All the Fermi Paradox tells you is that civilizations are rare. It doesn’t tell you why they’re rare,” says Ian Crawford, a ...

Currently there is a third “interstellar interloper” now passing through the solar system designated as 3i/ATLAS, for the ...