Paleontologists find microscopic fungi in Arctic Canada that is reported to be about twice as old as the previously oldest known fossils of fungi.

Paleontologists find tracks from a four-footed animal thought to be of an Ichniotherium species in the Grand Canyon.

Fanged kangaroos in Australia were thought to have gone extinct 15 million years ago, but new evidence suggests they were around for at least 5 million more years.