The second egg is days past the 40-day benchmark for a successful hatch and the hope for a "Christmas Miracle" has come and ...

Scientists in eastern China uncovered dinosaur eggs packed with giant crystals, revealing unusual fossilization processes and new clues about prehistoric development.

A breeding pair of endangered takahē birds in New Zealand were found to be rearing a chick, having previously been thought of ...

A white-necked jacobin hummingbird chick surprises scientists, scaring away wasps by mimicking a poisonous caterpillar.