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 ...

Animals reproduce in a variety of fascinating ways. Some species, including humans and many other mammals, give birth to live ...

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 ...

New fossil egg discoveries show early dinosaurs and marine reptiles laid soft-shell eggs like those of turtles, snakes and lizards and not the hard shells of bird eggs today, according to a new study.

A couple of decades ago, in my herpetology class at the University of Georgia, we were discussing evolutionary ecology and someone asked the age-old question, “which came first, the chicken or the egg ...

It’s an exceptional thrill and a privilege of living on our coast: watching a huge sea turtle lumber in from the ocean, lay her eggs on the beach and head back to the water. Green sea turtle season ...

Under no light but the stars, a green sea turtle hauls herself out of the surf and onto the familiar sand of Alagadi Beach on ...

A couple of decades ago, in my herpetology class at the University of Georgia, we were discussing evolutionary ecology and someone asked the age-old question, “Which came first, the chicken or the egg ...