For decades, scientists have known that platypuses and echidnas - Australia's unique egg-laying mammals - have another developmental quirk: they don't ...

Professional tennis players who take time off from competition for a fertility procedure such as egg or embryo freezing ...

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The Komodo dragon, a venomous giant lizard native to Indonesian islands, faces endangerment with fewer than 6,000 remaining.

It was a one-bird feeding frenzy. A gray catbird with a stubby tail fed, then did a jazz riff. Then it meowed like a cat before eating more. Why did ...

Researchers show maternal iron levels can override genetic sex determination in mice.

Straight from the egg and into the world our new monitor lizard hatchlings are here! Watch the first moments of feeding and handling as these tiny reptiles show off their dinosaur-like instincts from ...

Bearded dragons, native to Australia, possess unique traits like climbing skills and color-changing abilities. They ...

Parks Department staff in Santa Clara County are on the lookout for a member of a large invasive lizard species that was ...

A swollen snake needed help — and fast. Photos posted online showed the snake arrived at a Virginia animal hospital with a ...