The colorful salt terraces in the Dallol region of Ethiopia are hot targets for astrobiologists seeking extreme microbial life that could resemble extraterrestrials. Dr. Richard Roscoe/Visuals ...

Until recently, astronomers had focussed on analyzing a planet’s reflected light for evidence that its atmosphere contained oxygen or other gases that are considered to be positive indicators for the ...

The following essay explores an oft ignored concern in extraterrestrial research — what color would an alien’s trousers be (if he/she/it were even wearing trousers)? On June 4, Peggy Kolm posted her ...

Purple is the new green, as far as aliens are concerned, anyway. If you were asked to imagine an alien planet, it would be reasonable to imagine a green earth-like rock orbiting somewhere in a distant ...

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 rocket launches, skywatching events and more! You are ...

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 rocket launches, skywatching events and more! You are ...

If any habitable alien planets are orbiting two or more stars, they've probably evolved trees that would look black to human eyes, a new simulation suggests. Such shadowy plants may even move or ...