Fossils tucked away in a museum drawer and identified merely as "feline" are actually from a very ancient and enigmatic saber ...

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?

Animals with larger brains produce fewer, larger offspring, explaining why birds evolved bigger eggs than the largest dinosaurs.

Fossil egg clutch found in the Gobi Desert of a troodontid, a type of bird-like theropod dinosaur about the size of an emu. Its eggs were about half the size they would be in a bird of equivalent size ...

The text of Genesis says that God rested from his creative activity after the creation of humans (2:2-3). Therein for the faithful lies a rationale for the Sabbath. But could science offer any insight ...

A nearly complete skull unearthed decades ago in Arizona has given paleontologists their clearest look yet at Adelphailurus ...

Fossils tucked away in a museum drawer and identified merely as "feline" are actually from a very ancient and enigmatic saber-toothed cat that inhabited North America more than 5 million years ago.

The famous saber-tooth cat that lived in North America beginning about 2 million years ago survived by ambushing prey such as ...