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 ...

Despite widespread rumors that NASA was unveiling proof of alien life this week, the truth is actually not so far off. Instead, NASA unveiled the discovery of an organism closer to home and just as ...

Bacteria that thrive on Earth may not make it in the alien lands of Mars. A potential deterrent is perchlorate, a toxic chlorine-containing chemical discovered in Martian soil during various space ...

For more than a century, popular culture has trained us to picture extraterrestrials as bug-eyed, bipedal “little green men” who look suspiciously like us in rubber suits. The scientists who actually ...

It’s one small step for man, one potential giant leap for Martiankind. Scientists have identified a region on Mars that could support living organisms, potentially bringing us a step closer to ...

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 ...