Mastodon bones and teeth found in the Yukon were all older than 50,000 years old, while enduring farther south until about 10 ...

A long, long time ago, a hairy elephant stomped the northland, wrecking trees and shrubs as it swallowed twigs, leaves and ...

The paper documents the earliest known evidence of birds nesting in polar regions. Each spring, the Arctic comes alive with the sounds of chirping and the arrival of fluffy hatchlings, as millions of ...

The legislation represents the most comprehensive energy and economic package in a generation, sending a clear signal that America is open for business.

Polar bears are the top predators in the region. Scientists raise red flag over concerning trend among polar bears — here's ...