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

Take a drive to the CIA’s Area 51 – a route with more UFO sightings and unexplained mysteries than anywhere else on Earth ...

A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the Trump administration to ...

Jordan Flowers claims Russia and China may be reverse-engineering alien technology, raising national security concerns.

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 ...

A striking optical illusion resembling a floating city or alien spacecraft was captured on camera above the countryside in Haicheng, Guangxi, China on May 20, leaving the person who filmed it ...

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

Thus far, our search for extraterrestrial life points toward Clarke’s former point, suggesting that our little blue dot is ...

A federal filing shows President Donald Trump took in nearly $1.2 billion from his crypto businesses last year, locking in ...

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

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