It's called a "tardigrade" or "water bear". It's just one of many aquatic invertebrates on the planet, but it's unlike any other life form that scientists know of. Less than a millimeter in size ...

The genomes of two species of water bears reveal clues about how they persist in extreme conditions, yet don’t resolve the animals’ debated evolutionary story. Bacterial DNA isolated from a ...

There are over 1,500 known species of these tardigrades, also known as “water bears.” Surprisingly, these microorganisms exhibit an extraordinary tolerance to gamma radiation, enduring levels ...

Leslie noted that her pool does not have a heater, meaning the bear was swimming in extremely cold water. Peter Tira from the California Department of Fish and Wildlife said that it's not ...