species

For years, many scientists have warned that Earth is undergoing another mass extinction, with species disappearing faster than ever before.

Ancient DNA sequencing revealed that these Ice Age hippos were closely related to modern African populations and were part of the same species.

As most regions continue to warm, the window of viable performance for many species could shrink.

"In my heart I am crying. This Mrima has endangered species that we are losing," he said.

There are 10 species of tarantulas roaming the Golden State, including at least two that can be found in L.A.