Animals, especially those on land, can't grow indefinitely. The reason has to do with the square-cube law. When you purchase through links on our site, we may earn an affiliate commission. Here ...

Dinosaurs ruled the Mesozoic, but Earth’s early ages - like the Ordovician and Silurian - belonged to stranger things. Think sea scorpions longer than humans and jelly-like organisms that left no ...

Countless dirty secrets swirl around the way animals on factory farms live, but an even uglier one may be the way they sometimes die. “If everyone had to work a day in a meatpacking plant, these ...