A rare deep-sea encounter off Argentina reveals a species seldom seen by humans and a hidden world thriving in darkness.

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 ...

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 ...

Freakishly GIANT Animals That Actually Exist! 5 Weird Animal Facts! Join Jason Miller as he describes the world’s largest and biggest animals on the planet. Learn facts about the Blue whale, Mola Mola ...

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 ...

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 ...

These images may look like they come from a sanctuary for animal gods. But it’s really just an optical illusion. In a story we first saw on DesignTaxi, what we’re looking at are actually snaps from ...

Giant stick insects are some of the most expensive insects to purchase, as they're incredibly fascinating and fragile.

Ancient sloths lived in trees, on mountains, in deserts, in boreal forests and on open savannas. Some grew as large as elephants. Illustration by Diego Barletta The largest sloth of all time was the ...