Too Big to Flap? The Prehistoric Bird so Massive it Could Barely Fly

Long before humans walked the Earth, the skies of South America were ruled by a colossal bird. Argentavis magnificens, one of ...
Amazon S3 on MSN

What if the largest flying animal ever never went extinct?

The curious minds at What If consider how ecosystems and evolution might change if the largest flying animal never went extinct.
90.5 WESA

Monarch butterflies and hellbender salamanders await endangered species protection

Late last year, the U.S. Fish and Wildlife Service announced rule changes that would impact habitats and listing or delisting ...
Bored Panda on MSN

Nature posters featuring the most endangered species in each US state

Human beings are the greatest threat to the survival of endangered species, as we are the ones destroying their natural ...
Smithsonian Magazine

Giant Kangaroos That Lived During the Ice Age May Have Hopped—Despite Weighing Up to 550 Pounds

An illustration of Procoptodon goliah, a giant kangaroo that weighed up to about 550 pounds and went extinct around 40,000 years ago Nobu Tamura via Wikimedia Commons under CC-BY-3.0 For many people, ...