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

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

A comet screaming in from another star system carried alien ice ratios never seen before. What scientists found inside its spinning nucleus is reshaping how we picture worlds beyond our sun.

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

Harvard astrophysicist Avi Loeb argues 3I/ATLAS and other interstellar objects may hint at alien technology, drawing fame, ...

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

A polarizing Harvard astronomer has been appointed to lead a White House panel studying UFOs. Avi Loeb is leading a new ...

A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the Trump administration to ...

Harvard astrophysicist Avi Loeb argues 3I/ATLAS and other interstellar objects may hint at alien technology, drawing fame, funding, and fierce criticism.

Supergirl makes serious changes to Woman of Tomorrow for the live-action adaptation, cutting some of the comic's best-looking ...

Astronomers believe the object, dubbed 'Oumuamua, came from the general direction of the Lyra constellation ...

"Supergirl" is in theaters, with a story that was pulled straight from the comics. These are the 10 biggest differences ...