Scientists identify 45 potentially habitable exoplanets, using exact data and quotes to guide future telescopes in the search ...

A distant Jupiter-like planet has revealed an unexpected secret: water-ice clouds hiding in its atmosphere. The discovery, made with JWST, shows these alien worlds are more complex than scientists ...

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 ...

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

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, ...

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

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

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

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

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 ...