An innovative study reveals that HRT coordinates the hatching of fish embryos, determining the critical moment for their ...

The arrival of a baby swell shark at an aquarium in Louisiana has caused a wave of excitement, after the egg hatched despite ...

Wisdom, a 74-year-old Laysan albatross, is the world's oldest known wild bird. She also just became a mother yet again.

We all know eggs are expensive — probably forever. And they're missing from grocery shelves, too. As if that weren't enough, there's other egg-related bad news: Their shells chip more often. When will ...

The eggs were laid in the nest overlooking Big Bear Lake. Bald eagle eggs typically hatch after 35 days of incubation, according to the East Tennessee State University. But Jackie and Shadow’s ...