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 ...

NASA researcher says fossils of bacteria found in two meteorites from outer space. WASHINGTON — NASA and its top scientists are distancing themselves from a space agency researcher who concludes that ...

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 ...

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 ...