Once, a man called the authorities about an "enormous light" that was "blazing" above his house—only to call back shortly to explain it was actually the Moon.

Harvard astrophysicist Avi Loeb, known for his controversial extraterrestrial theories, is now leading a new Trump ...

A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the Trump administration to lead a team of outside scientists to study the national security risks ...

From the Greys to the Nordics, these aliens appear frequently across abduction stories and science fiction tales.

Harvard astrophysicist Avi Loeb argues 3I/ATLAS and other interstellar objects may hint at alien technology, drawing fame, ...

Three companies will receive a total of $600 million to executive four moon landings, laying the groundwork for a planned ...

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

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

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

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

Somewhere out there, a planet roughly the size of Earth may be orbiting a distant star in conditions that could support life.