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Borisov the alien comet remains in remarkably pristine condition

Large Telescope observations of interstellar comet 2I/Borisov has revealed that it is "one of the most pristine ever observed ...

A comet from another star system flew through our Solar System and scientists checked it for alien signals

In July 2025, astronomers spotted something remarkable passing through our Solar System, an object that had not come from ...

White House UFO council will be led by Harvard professor known for controversial alien theories

Avi Loeb, a Harvard astronomer who has made headlines with his theories about alien encounters, will lead a White House ...

Harvard professor with polarizing alien theories is picked to lead Trump administration UFO council

A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the Trump administration to lead a team of outside scientists to study the national security risks ...

Could This Visitor From Another Star System Be Alien Technology? SETI Investigates

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...
BBC Sky at Night Magazine on MSN

Interstellar comet 3I/ATLAS is nearly as old as the universe itself – is this the final nail in the coffin for the alien conspiracy?

Rather than being an alien craft, 3I/ATLAS likely formed 12 billion years ago at a key moment in the early Universe ...

The Harvard astronomer dubbed Trump’s chief alien hunter starts by assuming UFOs human-made

A controversial Harvard University cosmologist who has suggested alien lifeforms could be sailing into the solar system disguised as meteors is leading the Trump administration’ ...

Comet from another star has a composition unlike anything else in our solar system

Astronomers have revealed new details about the makeup and age of a visiting comet that was born around a distant star. They ...