The scientific wonderers at What If investigate a newly found world in a faraway star system that might actually have the ...

If forced to choose one descriptor for the octopus, the best word may be “otherworldly.” These truly amazing marine animals ...

NASA has uncovered major new clues on Mars that could point to alien life. The space agency’s rover has found chemicals on ...

A new study suggests alien life may be easier to detect through clusters of similar planets rather than single biosignatures.

Aliens aren’t “out there” – they’re here on Earth. You may have seen one. You may even be one. And if you read the foregoing ...

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

NASA's Curiosity rover has found DNA-like molecules and space-rock chemicals on Mars, proving the Red Planet could have ...

The LHS 1903 system defies expectations with a rocky outer planet, prompting new ideas about how planets form and evolve.

I’ve spent my life chasing landscapes that look like they belong in a sci-fi movie. I’ve trekked through the black sands of ...

Aristotle's views on the nature of the cosmos dominated the Ancient Greek world. He argued that there's only one world, at ...

The president in February directed the Department of Defense to begin reviewing government files related to extraterrestrial ...

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