Astronomers have recently started looking for black holes bigger than galaxies. Brian Lacki explains how these “stupendously ...

Advanced aliens, if they exist, may have no physical bodies at all and could be built from materials nothing like human flesh ...

This new group, which is led by Harvard professor Avi Loeb, aims to advise the Trump administration and the U.S. intelligence ...

Steven Spielberg's claims that aliens have already visited Earth have drawn a mixed but pointed scientists' reaction this week, with astrophysicists in the UK and Australia stressing that while ...

In the depths of space, something is calling. In 2022, astronomers picked up a repeating signal: precise, powerful, and ...

Add Yahoo as a preferred source to see more of our stories on Google. The night sky looks crowded, but physics may keep distant civilizations from ever meeting or even noticing one another. (CREDIT: ...

The pilots dubbed the fireballs “foo fighters” but had no idea what they were. Plasma? Enemy tech? Aliens? We still haven’t ...

Angine de Poitrine don't abide by the usual rules of Western music, using their own custom-built guitar to strike notes that ...

A new SETI study argues that turbulent space weather around distant stars can smear out ultra‑narrow alien radio signals, ...

The first six months of 2026 have produced four stand-out sci-fi movies – and they all have one thing in common, says Bethan ...

Steven Spielberg makes a plea for empathy with Disclosure Day.

The question of whether humanity is alone in the universe has fascinated scientists for generations, but few have pursued an answer as publicly or as controversially as Harvard astrophysicist Avi Loeb ...