Harvard astrophysicist Avi Loeb has been claiming a comet called 3I/ATLAS is actually an alien spaceship sent to probe our ...

The interstellar object 3I/ATLAS has spotted global attention because of its rotating double jet structure. The majority of ...

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

A new anomaly related to the size of particles in the interstellar object 3I/ATLAS has been detected. This was reported in his blog by Harvard University astronomer Avi Loeb.

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

The controversial Harvard astronomer is one of the main sources of the "alien mothership" hypothesis. This is what he thinks, ...

Scientists have sought out and detected radio emissions from from interstellar comet 3I/ATLAS, all but confirming that it has natural origins.

It feels like I’ve been transported into a scene straight out of a science fiction movie. I’m walking around on a giant centrifuge in space, which I can see the outlines of at the edge of my vision.

Something very significant has been happening in plain sight, and almost no one seems to be noticing. Over the past few years, there have been televised congressional hearings, repeated news segments ...

If aliens are out there, why haven’t we heard from them? That’s the question at the center of Pop Mech’s new story, “Aliens Probably Exist—But They’re Staying Silent For a Reason, NASA Scientist ...

A mysterious interstellar comet known as 3I/ATLAS is about to make its closest approach to Earth in December 2025. Here's ...