P aleontologists uncovered another rare fossil in Texas. This time, it's a 60-million-year-old fossil of a giant possum-like ...

Paleontologists have found fossilized remains of a giant possum-like mammal that lived 60 million years ago. The fossils, ...

A newly described ancient mammal discovered in Texas is turning heads—not just for its size, but for what it reveals about ...

And now, paleontologists have immortalized the shaggy, axe-wielding brute with the discovery of an extinct mammal that rose to prominence in the Paleocene epoch (65 million to 23 million years ago ...

Shelley analysed ankle bones (small, tough, dense bones that preserve well) to see how similar early Paleocene mammals were to each other, and to mammals alive today. "We found that the Paleocene ...

As scientists try to discover where the Paleocene/Eocene mammal exodus began, they are also looking at the reasons why such a great radiation might have occurred in the first place.

Although these Paleocene mammals had relatively small brains, brain size increased during the following epoch, the Eocene. That epoch saw the rise of mammals such as Hyrachyus modestus (at left ...

Researchers said on Thursday an analysis of fossils of mammals from the Paleocene Epoch - spanning the 10 million years after the asteroid wiped out three-fourths of Earth's species ...

The Paleocene was a greenhouse world; the New Mexican mammals frolicked in jungles, and crocodiles basked in the high-latitude sun. Then, about 56 million years ago, the greenhouse got even hotter.

They say everything's bigger in Texas. And that appears to be true, at least in the case of a group of ancient ...

“Paleocene mammals are so weird,” Ornella Bertrand, a postdoctoral researcher at the University of Edinburgh and an author of the study, said. These included Arctocyon primaevus, ...