Enormous herds of animals roamed the Arctic tundra thousands of years ago. Just a fraction remain today, but some scientists say they should be brought back to help fight climate change. Wild horses, ...

Way up north in Alaska, Katmai National Park protects a vast landscape (over 4 million acres!) of volcanoes, tundra, lakes and Pacific coastline. The park is famous worldwide for its brown bears and ...

For nearly two decades, scientists have noted dramatic changes in arctic tundra habitat. Ankle-high grasses and sedges have given way to a sea of woody shrubs growing to waist- or neck-deep heights.

Regina Bailey is a science writer, educator, and board-certified registered nurse. Her work has been featured in "Kaplan AP Biology" and "The Internet for Cellular and Molecular Biologists." Biomes ...

The Wildlife Conservation Society released a list this week of some "unsung" victims of climate change, including some species that are just now beginning to feel the effects of Earth's worsening ...