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.

Astronomers discovered a molten alien planet orbiting a star in the Milky Way. This planet, larger than Earth, is surrounded by a searing sulfur-rich atmosphere. It orbits a star in the constellation ...

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

Wright-Patterson has played a central role in the US military’s real investigations into mysterious objects in the sky — from ...

This scene imagines the mysterious beauty of alien worlds beyond our solar system. The landscape features unusual plant life, ...

Stellar plasma can smear alien radio signals before they escape their star system, making them harder for astronomers to ...

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 ...

Seven Japanese-American soldiers who were once deemed “enemy aliens” but fought for the Army during World War II were posthumously commissioned as Army officers. Prior to the war, all seven had been ...

Bill Maher is worried about what extraterrestrial visitors would think of humanity if the first person they encountered from Earth was President Donald Trump. Speaking on his Club Random podcast, the ...