Scientists have discovered unexpected water-ice clouds on a distant, Jupiter-like exoplanet, challenging current atmospheric ...

From still lakes to shifting shores, waves play a bigger role than we think—even on worlds we’ve never directly observed.

Here’s what you’ll learn when you read this story: The Search for Extraterrestrial Intelligence (SETI) focuses on finding technosignatures—potential signs of alien technology. If we look carefully, we ...

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.

New research suggests that many planets previously considered promising for life may, in fact, be far less hospitable. A ...

Planets orbiting stars beyond the solar system come in all shapes and sizes but mostly fit into a few categories: large and hot gas giants, super-Earths that are slightly larger than our planet, ...

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

Billions of stars in our Milky Way galaxy have captured rogue alien planets that once cruised freely through interstellar space, a new study suggests. Many wandering alien worlds, which were ejected ...

"It was just a matter of time before we found them." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking space news, the latest updates on ...