10 a.m.: Marco Rubio, State DepartmentThe Florida senator has served on the ... Interior DepartmentThe former governor of ...

Spring is a time for budding flowers, tender green leaves and baby animals. But 66 million years ago, that gentle season instead brought mass death and carnage from Earth's catastrophic impact with a ...

Researchers discovered Ahvaytum bahndooiveche fossils in Wyoming, revealing dinosaurs in Laurasia earlier than believed.

A chicken-sized dino, the oldest known in North America, has thrown a wrench in the widely accepted timeline of early ...