Bison thrive in bitter cold by plowing snow and growing thick coats to withstand harsh winds. Learn how these resilient ...

Carbon is essential to life on Earth. It is one of the four key elements that make up the human body—alongside hydrogen, oxygen, and nitrogen—and can be found within our atmosphere as carbon dioxide ...

Hawksbills are named for their narrow, pointed beak. They also have a distinctive pattern of overlapping scales on their shells that forms a serrated look on the edges. These colored and patterned ...

Scientists have been unable to thoroughly study the distribution and abundance of the Cross River gorilla until the last decade or so. Because the gorillas are wary of humans and inhabit rugged ...

These huge creatures can grow up to 60 feet long. But despite their size, whale sharks are often referred to as "gentle giants." Whale sharks are filter feeders and can neither bite nor chew. They can ...

Albacore is one of the smaller tuna species, reaching sizes between skipjack and yellowfin. They are bullet-shaped with a dark blue back and lighter blue-gray sides and belly. Albacore tuna also have ...

Discover how animals adapt to winter and what we can learn—from hibernation to staying active and warm during the cold season ...