Russian cosmonauts aboard the International Space Station (ISS) may have discovered the first case of alien life after allegedly finding bacteria on the hull of the space station. This bacteria was ...

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 ...

One of the basic assumptions about life on Earth may be due for a revision. Scientists have discovered a type of bacteria that thrives on poisonous arsenic, potentially opening up a new pathway for ...

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 ...

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 ...