Most people size up animals by how tall they stand or how long they stretch, but weight tells a different story. Measuring by mass alone reveals which creatures carry the most bulk. If you're curious ...

Texas Parks and Wildlife crowned its winner of 'Fat Squirrel Week,' but how fat is 'Chunkosaurus Rex,' really?

Green anacondas (Eunectes murinus) are among the most fascinating reptiles in the world and hold the title of the heaviest snake on Earth. Belonging to the boa family, these massive snakes are ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. NEW YORK (AP) — There could be a new ...

The elusive colossal squid — the world’s heaviest known invertebrate — has been filmed in deep-sea waters in footage confirmed by scientists for the first time, a research institute said Tuesday. The ...

“The bears are extremely fat this year, and I’m looking forward to seeing how people react to how fat they are,” says the former ranger who helped invent the popular contest. The Fat Bear Week ...

"So, unless you get a cyclone or a bird bringing one down, very few people get to see them." The creature's giant size may be linked to its ability to survive in a colder, high-altitude environment.