Sadly, a number of animals have also not been spotted in several years and are now presumed extinct. In order to move forward in conservation efforts, it's important to take a look back on some of ...

Then, about 40,000 to 65,000 years ago, most of these large animal species went extinct, including all of the short-faced kangaroos and some of the long-faced kangaroos. And the question is — why?

There’s nowhere else for these animals to go.” The Associated Press Health and Science Department receives support from the Howard Hughes Medical Institute’s Science and Educational Media Group.

Inside, between rows of incubators and microscopes, Beth Shapiro and her team are attempting a feat straight out of science ...

"We had a marsupial lion. We had all sorts of crazy things." Then, about 40,000 to 65,000 years ago, most of these large animal species went extinct, including all of the short-faced kangaroos and ...

Two features unite them: a generally large body size and being extinct. By 40,000 years ago, 90% of large species in Australia had died out. This included giant flightless birds, the rhino-sized ...