Experts say the virus could become a larger problem if it gets passed to endangered whooping cranes Sarah Kuta Humans have evolved alongside microbes in Earth's environment that help strengthen ...

Perched in the near vacuum of low-Earth orbit, it’s been home to some 270 people and a variety of animal guests—plus the microbes that hitched a ride to space on the bodies of those residents.

We can’t see them, but there are more microbes — tiny fungi, bacteria, worms and other living things — in a teaspoon of soil than there are people on Earth. Hungry as you and me, those ...