Mother Nature doesn't always play by the rules... Sometimes she flips the script, hits Caps Lock and produces something so unusually large that it looks like it could be cast in a sci-fi movie. We're ...

Giant tortoises are some of the long-lived species on the planet. Here’s what biologists now understand about one of nature’s ...

There's a large eight foot long Anteater coming to the Buffalo Zoo, and it's getting people excited about saving the species.

The largest sloth of all time was the size of an elephant. Known to paleontologists as Eremotherium, the shaggy giant shuffled across the woodlands of the ancient Americas between 60,000 and five ...

Size shapes the way animals move, hunt, and survive. For example, in the ocean, ginormous creatures rely on their massive bodies to travel long distances or ambush prey. On land, there are large ...

Anacondas are some of the largest snakes in the world, reaching impressive sizes which have earned them a fearsome reputation ...

An adorable newborn giant panda is the first to be born in Indonesia. Find out why Baby Rio is truly a miracle.

From an evolutionary perspective, is bigger always better? The journey the thunder beasts took to reach such mega proportions from such humble beginnings forces us to ask an important question, one ...

Deep-sea creatures exhibit gigantism, with football-sized eyes and van-sized sponges thriving in crushing darkness. These ...

Many giant animals roamed the Earth after non-avian dinosaurs went extinct. Illustration by Emily Lankiewicz / Dmitry Bogdanov via Wikipedia under CC BY-SA 3.0 / Dmitry Bogdanov via Wikipedia under CC ...