What if bacteria held the keys to a part of our own immunity? For several years, some scientists have been exploring ...

Some of our biggest threats can come in the tiniest forms—viruses and bacteria. Thankfully, we are born with a built-in ...

Defense systems found in all complex life on Earth came from "Asgard." The ancestor of plants, animals and fungi evolved around 2 billion years ago, likely from a group of complex microbes called ...