Cave microbes on Earth may help guide scientists toward life on Mars.
As climate change melts away frozen landscapes, scientists rush to discover all they can about the tiny organisms that thrive on ice.
Bacteria found around a Brazilian mine could improve copper harvesting.
Researchers and Aboriginal people are working to protect 3.5-billion-year-old stromatolite fossils in western Australia.
Artificial "protocells" suggest the complex biochemical mechanisms used by living cells could have originated in simple bubbles.
A new model suggests that many more mammal species than was previously known could host the creation of novel coronaviruses.