Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. For a group of small aquatic animals known as hydra, decapitation ...

In ancient Greek myth, the Hydra was a multi-headed monster that grew two more heads for every one that it lost. As it turns out, the real-life animal named after this mythical beast may be even more ...

Well hey there, little moons! In the home stretch of a 9.5-year journey, NASA’s New Horizons mission has caught two of Pluto’s lunar companions on camera as they circle around the dwarf planet. The ...

The tiny hydra, a freshwater invertebrate related to jellyfish and corals, has an amazing ability to renew its cells and regenerate damaged tissue. Cut a hydra in half, and it will regenerate its body ...