Rocks on Iceland beaches confirm the Late Antique Little Ice Age, caused by volcanic eruptions, precipitated the fall of the Roman Empire.

The remains of landscapes thought to have formed when ancient rivers flowed across East Antarctica have been discovered—and ...

The five newest National Recreation Trails in six states add nearly 400 miles to the network of more than 1,300 trails.

“It changed all of our lives. I mean, none of us swim the same,” joked veteran actor Jeffrey Kramer in a local newspaper story.

This ancient highway repeatedly opened and closed as the ice sheets expanded and retreated — and the land bridge between Asia and the Americas was exposed and submerged — between 50,000 and ...

One of the most picturesque places in the park is Yellowstone Lake, near the South and East Entrance. It is the largest high-elevation lake in North America and it offers land and water activities to ...

New geological data has given more insight into the rate and magnitude of global sea level rise following the last ice age, about 11,700 years ago. This information is of great importance to ...

Scientists have unveiled the most detailed map of Antarctica without ice, revealing its hidden mountains, canyons, and geological features. The new Bedmap3 dataset helps researchers understand ice ...

Why did some species, including ancient humans, cross the Bering Land Bridge between modern-day Siberia and Alaska during the last Ice Age? The picture has only gotten more complex.

Those two species and a few others never seemed to have crossed the land bridge between the grasslands of Siberia and ice age Alaska.

A new study could explain why some ancient animals, like mammoths, crossed the Bering Land Bridge to North America during the last Ice Age while others, like woolly rhinos, stayed put in Eurasia.

Geologists found evidence beneath the ocean showing that the Bering Land Bridge was a vast marshland, which deterred some animal species from crossing.