Scientists say they're not sure exactly how the newly discovered species found its way into the enormous US lake.

There are roughly 2.5 million known species on the planet, but scientists estimate that's only a fraction of the biodiversity on Earth. A new study shows we're finding new species like never before.

Many animals have unique adaptations that help them survive harsh winters, from camouflage to hibernation. However, some species may not know how to turn off these special superpowers in the face of ...

For the first time in years, astronomers are seriously talking about adding a new member to the solar system’s planetary family. I’m not talking about reviving Pluto’s status, but about a potential ...