Jay Stratton led the classified operation that tried to trap something that wasn’t from Earth.

Scientists may have just taken one of the biggest steps yet in the search for life beyond Earth. Meet K2 18 b, a distant ...

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 ...

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 ...

In ancient mythology, the phoenix was a miraculous bird with a cyclical pattern of life and death, perishing in flames only to rise again from the ashes. Astronomers have now ​found a world that ...

A newly discovered baby planet has been identified as the youngest known exoplanet in the galaxy. Approximately one million years old, this unprecedented discovery represents the youngest alien world ...

Add Yahoo as a preferred source to see more of our stories on Google. (Wang Chi Lau/Marine Biological Laboratory) Cephalopods ...

"Natural astrophysical processes rarely generate extremely narrow spectral features while engineered transmitters often do," writes a team of astronomers including first author Zi ...

Weather maps of distant planets are a step closer after the James Webb Space Telescope distinguished hotter and cooler ...

Most scientists think that Earth and Mars took shape this way from rocky pieces swirling around the young sun around 4.5 ...

Astronomers have spotted a rare "second-generation" exoplanet closely orbiting the nearby white dwarf HS 0209+0832.