The big-idea explorers at Aperture dive into the terrifying concept of the Great Filter to explain the chilling reality of ...

New research suggests that alien radio signals may be transformed by plasma from their home stars — and scientists on Earth could thus be overlooking prime evidence of alien intelligence.

Elon Musk’s plans for the future of SpaceX, and humanity, are rooted in an idea conceived in the 1960s when astronomers began to pick up mysterious, unknown radio sources in the cosmos. Soviet ...

This video explores a hypothetical scenario regarding a global extraterrestrial invasion starting from a security breach at a restricted facility. It follows the progression of a world war against ...

Scientists have identified new clues that could help astronomers spot one of the most famous hypothetical alien megastructures: a Dyson sphere. The study finds that red dwarfs and white dwarfs are the ...

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

What if consciousness isn’t limited to brains like ours? Philosophers Eric Schwitzgebel and Jeremy Pober argue that consciousness could arise in many different forms of life, even in beings built from ...

When people think of Gene Roddenberry, they usually think of Star Trek, which is understandable considering that the franchise—which launched 60 years ago this September—became his greatest success ...

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

Project Hail Mary, Solaris, and The Hitchhiker's Guide to the Galaxy are all among the very best sci-fi books set in space.

While many believe that extraterrestrial life exists somewhere in the vast universe, others argue that the fact that 'aliens have never appeared on Earth' is the reason why highly intelligent ...