Alien life may not need the kind of home humans instinctively search for. Some of the strangest possibilities begin once ...

Claims that aliens are already here are everywhere, but proving them is another matter. The strongest cases become more ...

James Webb reveals how powerful winds and extreme temperature differences create an unusual atmospheric bulge on the giant ...

Earth would be terrifying if we celebrated Halloween every 11 hours, a possibility on a super-Earth investigated by the JWST, ...

Using the same planet-hunting techniques as Earth astronomers, would inhabitants of a planet hundreds of light-years away be able to detect Earth? Or would the gas giants overpower their observations?

Astronomers using the James Webb Space Telescope have discovered that a distant alien planet's atmosphere is surprisingly lopsided. Located 1,300 light-years away, the scorching gas giant WASP-17b ...

Scientists might have just found Earth's icy, distant cousin a few hundred light-years away. HD 137010 b is one of thousands of exoplanets, or planets that orbit other stars, and is potentially the ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. The Milky Way galaxy has more than 400 billion stars in it. Over the last few decades, ...

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, ...