Could ancient humans really have built the pyramids without extraterrestrial help? Or do such questions reveal more about modern anxieties than the past itself?

Debunking alien claims matters, but so does telling richer, more compelling stories about how humans shaped their own past.

Spoilers follow for the first three seasons of Prime Video’s Invincible. Season 4 debuts on March 18.

The molten planet, with an atmosphere rich in sulfur-bearing gases, is unlike anything astronomers have ever smelled.

"What other types of planets are waiting to be uncovered?" ...

Astronomers have spotted a planet orbiting a star in our neighborhood of the Milky Way galaxy that presents a unique ...

KUTV — Now open at the Natural History Museum of Utah, Bug World invites guests to experience the genius of insects on an awe-inspiring scale. Kari Hawker Diaz visited the exhibition to see firsthand ...

The Birrin world is one of the most detailed speculative ecosystems ever designed. 👽 From biology to culture, everything follows evolutionary logic. It’s alien — yet scientifically grounded. Kennedy ...

This is read by an automated voice. Please report any issues or inconsistencies here. Former President Obama said he did not see evidence that aliens “have made contact with us,” after sending social ...

Landmark UFO documents smuggled out of Russia 30 years ago — and just publicly revealed — show the Soviets investigated thousands of reports of extraterrestrial craft and encounters with aliens.

Exoplanet Beta Pictoris b can be seen moving around its star in this 17-year timelapse created using "AI-driven image-processing techniques," according to Northwestern University. Gemini Observatory ...