A new study challenges the assumption that cyanobacteria were the only major nitrogen fixers in the Proterozoic eon.
extremophiles
This Search for Alien Life Starts with Destroying Bacteria on Earth
Someday, a catalog of molecular fragments might help scientists identify extraterrestrial life on our solar system’s icy moons.
Even Tardigrades Will Feel the Heat of Climate Change
Hardy tardigrades are much more vulnerable to heat than cold, but they show some signs that they could adapt over time.
Extreme Life and Where to Find It
Life finds a way in the most extreme environments on Earth and sparks the imagination about far-off places where we may yet find it.
