Finding life beyond our solar system goes beyond measuring an exoplanet's size, as rocky, Earth-sized worlds might not have ...

A new generation instrument designed to probe the atmospheres of distant worlds is nearing operational readiness, marking a ...

Add Yahoo as a preferred source to see more of our stories on Google. X user @kirawontmiss, CIA.gov, Instagram user @boysactingweird, illustrated by Snopes. In March 2026, a rumor resurfaced on social ...

Discover 25 strange things happening in our universe right now! From black holes dragging stars to rogue planets and ...

A 'space potato' grown aboard the ISS went viral for its alien look, but NASA astronaut Don Pettit says it highlights future ...

Astronomers have narrowed down the cosmic search for life, identifying fewer than 50 rocky planets among thousands of known ...

Like the lead character of “Project Hail Mary,” some scientists are proposing ways that life might exist beyond a star’s ...

The ocean is still one of the biggest mysteries on Earth, and the deeper you go, the stranger it gets. Far below the surface, ...

Ever since physicist Freeman Dyson first proposed the concept in 1960, the "Dyson sphere" has been the holy grail of techno-signature hunters. A highly advanced civilization could build a "sphere" (or ...

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Donald Trump pledged to release government records on aliens and UFOs if reelected. Trump's promise followed his criticism of Barack Obama for discussing his belief in aliens. A 2023 law already ...