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 ...

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

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

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

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

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

A better way to think of it, as the philosopher Ronald Dworkin put it, is as a “gravitational pull” on judicial reasoning.

This is the story of a mysterious finding in New Hampshire, pieced together from the incident summary sheet and official ...

The Supreme Court's latest rulings signal that compassionate conservatism is officially dead ...