Astrobiologists in Germany are developing a new testing device that could help tease dormant alien microbes into revealing themselves — and its key ingredient is a common amino acid that’s found in ...

Aliens could already be broadcasting clear signals across the cosmos while humans remain 'utterly blind' to them, according ...

Since the 1950s, humanity has been searching for extraterrestrial life with increasingly sophisticated tools. But after decades of space probes, meteorite analysis, radio telescopes, and UFO ...

Finding bacteria in extreme environments, like at thermal ocean vents or in the sulfur pools at Yellowstone, isn't all that novel. In 1991, remote-control robots brought out samples of pitch-black ...

Earth is often called “the Pale Blue Dot” thanks to its bountiful oceans, but most of the planet’s land masses are actually dominated by the color green. Plants use chlorophyll (which absorbs red and ...