"This is the first documented sighting of a whale shark along Israel's Mediterranean coast, and only the third confirmed ...

An underwater videographer has just published mesmerizing footage of the world’s largest, longest, and heaviest known ...

Due to its vast size — stretching from Canada and Greenland in the north, to Mexico in the south — North America contains a ...

These enormous moths are nature’s masterpieces. Learn which species are the largest and what makes each one so extraordinary.

Leatherback sea turtles are the biggest sea turtle species, which can weigh over 1 ton, but they are also one of the most threatened.

The blue whale pushes the limits of what life can achieve. Powered by a heart that beats slowly but moves gallons of blood with each pulse, it thrives by consuming millions of krill each day. This ...

Often a runner-up in the Guinness Book of World Records, the Irish Wolfhound comes in second in comparison to the Great Dane.

The five biggest meat and dairy producers are generating more methane than the five largest oil and gas companies, according ...

Hundreds of cats, from purebreds to rescues, competed for glory at the world's largest cat show in Cleveland, Ohio.

What are some animals that give birth to huge numbers of offspring at once?” (Watch a female sea urchin produce millions of eggs.) The mola, or ocean sunfish, looks like an animal cracker someone bit ...

Capybaras are the largest rodents in the world and among the friendliest animals found in South America. (If you want to spot a capybara in North America, put places like the Audubon Zoo and the ...

Holt may have done work on some of the most high-profile theme park projects over the last several decades, but it’s far from ...