These radioactive elements decay at known rates, effectively acting as a built-in clock that reveals precisely when the eggs were buried millions of years ago. This natural timekeeping mechanism has ...

Some feathered dinosaurs may have lost the ability to fly, revealing that the evolution of flight was far more complex than ...

Aliza Chasan is a Digital Content Producer for "60 Minutes" and CBSNews.com. She has previously written for outlets including PIX11 News, The New York Daily News, Inside Edition and DNAinfo. Aliza ...

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Scientists have known for some time that birds like chickens and ostriches are the closest living relatives of the Tyrannosaurus rex. Now, a newly discovered fossil of a bird-like dinosaur could ...