The Apophis asteroid, once feared to hit Earth, is less than three years from making an unprecedented approach toward Earth.

Aristotle believed the planets revolved around Earth and God could not have created other worlds. Today, scientists scour the ...

Two Earth-sized planets orbiting TRAPPIST-1 are locked in permanent day and night, with heat differences suggesting they are ...

This video explores distant planets and the search for alien life through imaginative surreal landscapes. It examines how ...

Scientists propose a new method to find alien life by studying planetary patterns, moving beyond traditional biosignature ...

A research team has developed a new approach to detecting life beyond Earth that does not rely on identifying specific ...

When examining Thragg, his motivation and fury come into focus: he is simply following through on years of conditioning. He ...

A new study proposes detecting life in space by spotting patterns across many planets instead of focusing on one at a time.

Scientists have found that young stellar cousins of our sun are calming down and dimming more quickly in their X-ray output ...

From lava tubes on Mars to ice pockets on Europa, subterranean environments may offer the best chance of finding life—and living safely—beyond our planet. “I was like, ‘OK, I'm pretty sure that ...

In these science fiction books, extraterrestrial beings are sympathetic, horrifying and everything in between.

These findings suggest that the absence of past detections does not mean discovery is imminent. If extraterrestrial ...