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 ...

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 ...

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 ...

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 ...

Purple bacteria use infrared light for photosynthesis, offering a way to detect life on other planets through unique infrared signatures. Hurricane Melissa Live Updates: Category 5 Monster Has Jamaica ...

The search for life beyond Earth requires expanding the very definition of what life can be. Some exoplanets, especially those orbiting cooler red dwarfs, might host purple plant life rather than the ...