Outliers among mammals, monotremes lay eggs instead of giving birth to live young. Only two types of monotremes, the platypus and echidna, still exist, but more monotreme species were around about 100 ...

Eggs are among nature’s most fascinating progenating creations, varying widely in size and shape across the animal kingdom. They represent the earliest stage of life for many creatures, from tiny ...

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.

For the first time since 1961, researchers have rediscovered the elusive Attenborough’s long-beaked echidna in the remote rainforests of Indonesia. An expedition crew led by Oxford University ...

Sydney: A hormone produced in the venom of platypus -- an egg-laying mammal native to Australia -- can pave the way for potential new treatments for Type 2 diabetes in humans, researchers have found.

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 ...

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 ...