Scientists have newly described three extraordinary species of tree toad that leapfrog over the egg-to-tadpole stage. The ...

Stingrays give birth to live babies, but they aren't mammals. Learn all about these fascinating fish that live in oceans and ...

Q. When we studied high school biology, our teacher said more than 99 percent of animals lay eggs and only a few give live birth. That percentage seems too high. Humans, dogs, cats and cows are ...

Snakes, like most reptiles in the world, are oviparous. This means that rather than producing live young ones, the way mammals do, snakes produce an immature single cell — an egg. Most snakes follow ...

Maybe you've seen a "mermaid's purse" while walking on the beach. Not actually an accessory for the mythical creature, these small casings are the eggs of sharks and their relatives For around 455 ...

Chameleons exhibit diverse reproductive strategies, with most species laying eggs in warm soil while a few, like the Jackson's chameleon, give birth to live young. This adaptation to environments, ...

In seahorses, it is the males who carry offspring to term. The females lay their eggs into a special brood pouch on the ...

While many creatures lay eggs or give birth to live young in familiar ways, some have developed unique methods to protect their offspring. One such strategy is mouthbrooding, where parents carry and ...

WASHINGTON -- The remains of a giant sea creature are providing the first proof that these prehistoric reptiles gave birth to their young rather than laying eggs. Plesiosaurs, which lived at the time ...

Q. When we studied high school biology, our teacher said more than 99% of animals lay eggs and only a few give live birth. That percentage seems too high. Humans, dogs, cats and cows are ...