Invasive tegu lizard spotted by hikers in San Jose's Joseph D. Grant County Park; authorities are working to safely capture it.

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

2,000 National Guard troops will be sent to L.A. amid clashes over immigration raids Mystery of America's 'Lost Colony' may finally be solved after 440 years, archaeologists say Egg recall map shows ...

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 ...

A famous Nile crocodile named Henry just celebrated a birthday last year, turning 124 in December. This living fossil ...

Green iguanas have become a nuisance in Florida, officials have moved to let people profit from hunting the lizards, then ...

People in Palm Beach County may see tegus more often than they realize. They're the reptiles with the dotted black-and-white ...

A new international study has confirmed that a mysterious feature found in dinosaur eggshells—called secondary eggshell units ...

Tami Gingrich explores the unique qualities and lifecycle of snapping turtles, as egg-laying season is upon us in northeast ...

As green iguanas become a nuisance in Florida, officials have moved to let people profit from hunting the lizards, then sell ...

Deep in the frozen wilderness of Antarctica, buried beneath more than 60 million years of sediment, scientists have uncovered ...