(CNN) — Researchers studying a 250-million-year-old fossil have found the first ever proof that mammal ancestors laid eggs, with the discovery also shedding light on a remarkable survival story. The ...
You can’t make a mammal-ette without laying some eggs. The duck-billed platypus wasn’t the only mammal to lay eggs. Analysis of a fossil in South Africa proves that our mammalian ancestors were ...
The fossil of a large egg dating from the time of the dinosaurs has been found for the first time on the continent of Antarctica. In addition to its large size and unique location, this discovery is ...
No fossil egg from a therapsid, the broader group that includes mammal ancestors, had been conclusively identified before. “It is also thrilling because this discovery breaks entirely new ground. For ...
(CNN) - Researchers said a fossil found in South Africa proves for the first time that mammal ancestors laid eggs. The fossil belongs to a tightly-curled embryo of a Lystrosaurus. The Lystrosaurus is ...
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