Using new radiocarbon dating on ancient footprints found preserved in the gypsum-rich ground in White Sands, researchers have ...

Researchers created 3D models of ancient tracks in Oregon’s John Day Fossil Beds National Monument. The study revealed a glimpse of animal life 50 million years ago.

Fossils are so common in Pennsylvania Bluestone that Glass often points out prehistoric plant fragments and ancient tide ...

The fossil footprints record a series of events in one day, Ahlberg said. One reptile scampered across the ground before a light rain fell. Some raindrop dimples partially obscured its trackways.

The fossil footprints record a series of events in one day, Ahlberg said. One reptile scampered across the ground before a light rain fell. Some raindrop dimples partially obscured its trackways.

This image provided by Prof. Per Erik Ahlberg shows a slab of sandstone found near Melbourne, Australia preserving fossil footprints from a reptile-like animal that lived around 350 million years ago.

WASHINGTON (AP) -- Scientists in Australia have identified the oldest known fossil footprints of a reptile-like animal, dated to around 350 million years ago.

WASHINGTON — Scientists in Australia have identified the oldest known fossil footprints of a reptile-like animal, dated to around 350 million years ago. The discovery suggests that after the ...

Ancient footprints suggest how prehistoric animals behaved in Oregon millions of years ago Tracks found in Oregon's John Day Fossil Beds National Monument 'offer a rare window into ancient ...

WASHINGTON (AP) — Scientists in Australia have identified the oldest known fossil footprints of a reptile-like animal, dated to around 350 million years ago. The discovery suggests that after ...

Researchers created 3D models of ancient tracks in Oregon’s John Day Fossil Beds National Monument. The study revealed a glimpse of animal life 50 million years ago.

The fossil footprints record a series of events in one day, Ahlberg said. One reptile scampered across the ground before a light rain fell. Some raindrop dimples partially obscured its trackways.