A team of scientists found prehistoric animal footprints that indicate how creatures behaved in Oregon as far back as 50 ...

Fossilized footprints and tracks dating back 50 million years ago discovered at the John Day Fossil Beds National Monument ...

Scientists have discovered fossilized shark teeth in the Midwest, a region far from any ocean. How did these ancient marine predators end up in America’s heartland? This discovery could reveal secrets ...

According to NPS, fossil tracks of two small shorebirds showed that the pre-historic animals searched for food in shallow ...

While the dire wolf is one of the most notable, and popular, giant canines, it's not the largest. Instead, the largest wolf to exist was much, much bigger.

Around 41,000 years ago, Earth’s magnetic field underwent a chaotic shift that temporarily weakened the planet’s natural ...