WASHINGTON (Reuters) - Some dinosaurs laid coloured, speckled and spotted eggs boasting exquisite hues of blue and brown, scientists said on Thursday, in a discovery that scrambles the notion that ...

Millions and millions of years ago, a mom titanosaur laid an egg in what we now call Argentina. The baby titanosaur in that egg, sadly, did not survive. But its eggshell did. Titanosaurs were an ...

Dating dinosaur eggs has always been tricky because traditional methods rely on surrounding rocks or minerals that may have shifted over time. Now, for the first time, scientists have directly dated ...

Eggs from the earliest dinosaurs were more like leathery turtle eggs than rigid bird eggs. Studies of fossilized embryos from two kinds of dinosaurs, one from early in dinosaur history and the other ...

Fossil evidence reveals a surprising diversity in dinosaur parenting. Some species, like Maiasaura, exhibited strong maternal ...