Fossils reveal saber-toothed cats may have pierced rivals’ skulls

Two Smilodon fossils skulls from Argentina have puncture holes likely left by the teeth of rival…

This early sauropod went from walking on four legs to two as it grew

A new computer analysis shows how Mussaurus patagonicus’s weight shifted toward its hips as it grew,…

Saber-toothed cats were fierce and family-oriented

New details shift the debate on whether Smilodon lived and hunted in packs, and answer questions…