"The platypus is the only venomous mammal in the world," says Zedrosser. Males have venomous spurs on their hind legs, which they use during the mating season to fight other males. The venom can't ...

Eggs are among nature’s most fascinating progenating creations, varying widely in size and shape across the animal kingdom.

“There is a python with a platypus in its mouth,” Elliot Bowerman’s friend called out as the two walked through a forest in Queensland, Australia. Sure enough, in the nearby creek, a two-meter-long ...

Meet nature’s largest egg-layers, from towering birds to surprising mammals and fish. Each of these species lays eggs that are remarkable in size, colour or shape.