Could humans spread Earth life beyond our planet? Astrobiologists explain where extremophiles might survive and why the risks ...

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

The Great Filter theory suggests advanced civilisations may self-destruct before contacting others, explaining the universe's ...

Thus far, our search for extraterrestrial life points toward Clarke’s former point, suggesting that our little blue dot is ...

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

The Trump administration has tapped a Harvard professor with controversial theories about aliens to lead a team of scientists ...

A bare majority of Supreme Court justices ruled that President Trump’s executive order was unconstitutional, reflecting a ...

Marvel's "Star Wars" comic gave readers a tease referencing a long-standing fan theory regarding the Trandoshans and "Star ...

When Gene Roddenberry created "Star Trek" in the 1960s, he instituted several rules for starship design that are still ...

The Pentagon released over a hundred newly declassified files related to UFOs (now officially referred to as Unidentified ...