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

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

A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the White House to lead a ...

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

A study suggests that stellar plasma may distort alien signals, complicating SETI's search for extraterrestrial life by ...

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

"Eventually, our own Voyager spacecraft will be extraterrestrial artifacts in other stellar systems." ...

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

In July 2025, astronomers spotted something remarkable passing through our Solar System, an object that had not come from ...

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

Tibrina Hobson / Caplan is perhaps best known for her roles as Janis Ian in the 2004 classic Mean Girls and Virginia E ...

Astronomers turned the Allen Telescope Array toward interstellar comet 3I/ATLAS, formally designated C/2025 N1 (ATLAS), ...