A new study has uncovered a fundamental link between brain size and offspring size, helping to solve a long-standing evolutionary puzzle: Why do birds lay such disproportionately large eggs?

A fossilized dinosaur egg discovered in central India has turned out to be even stranger than it first appeared. Inside the stone shell, researchers identified the remains of a second egg, nested like ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Researchers have discovered a previously unknown dinosaur species that ...

The discovery of several exceptionally preserved reproduction-related dinosaur specimens over the last three decades has improved our knowledge of dinosaur reproductive biology. Nevertheless, due to ...

CHINA — A clutch of 28 dinosaur eggs found in the Qinglongshan fossil reserve in central China is about 86 million years old, according to scientists who used an "atomic clock" method to date the ...

CALGARY, Alberta (Reuters) - Canadian researchers say they've narrowed down the likely owner of a dinosaur nest, abandoned on a river's edge 77 million years ago, adding the discovery offers a unique ...