A remarkable discovery answers one of the greatest survival stories in Earth’s history—and a decades-old scientific mystery.

Between 280 and 200 million years ago, a group of animals evolved which would eventually give rise to mammals, including ...

Discovery of a Lystrosaurus embryo inside an egg proves early mammal relatives laid eggs and survived mass extinction through ...

Researchers studying a 250-million-year-old fossil have found the first ever proof that mammal ancestors laid eggs, with the ...

Scientists have identified a groundbreaking fossil discovery in South Africa that contains a 250-million-year-old embryo preserved inside an egg, ...

Florida attorney Andrew Rader says no one questions when a white family gives birth to a white baby, "Why would you?" ...

Caitlin O'Kane is a New York City journalist who works on the CBS News social media team as a senior manager of content and production. She writes about a variety of topics and produces "The Uplift," ...

Embryo transfer allows producers to utilize both their best male and female traits in their herds. It's something that has ...