Avi Loeb, a cosmologist who studied black holes and served as head of Harvard’s astronomy department until 2020, has been ...

What if consciousness isn’t limited to brains like ours? Philosophers Eric Schwitzgebel and Jeremy Pober argue that ...

Scientists are raising concerns that we may be overlooking evidence of extraterrestrial life even when it is present. Hidden ...

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

The scientific search for extraterrestrial life is almost entirely focused on biosignatures, radio signals, and microbial ...

As much as Steven Spielberg likes aliens, he seems to prefer holding them at arm’s length. The creatures in Close Encounters ...

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

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

An instrument on the Perseverance rover has identified large, complex carbon compounds alongside unusual patterns on the ...

Deep inside gas giants like Jupiter and Saturn, hydrogen and helium coexist under pressures millions of times greater than ...

God and aliens are having a moment. But what do Christianity and other faiths really teach about ETs?