Cranial kinesis allows modern birds to eat a wider variety of foods and use their beaks as multifunctional tools.

A dinosaur fossil discovered in Mongolia boasts the largest ever complete claw, but the herbivorous species only used it to ...

6600万年前，恐龙在地球上生存了约1.65亿年后，遭遇了致命打击：一颗直径约15公里的小行星撞击如今的墨西哥地区，引发海啸、野火和酸雨，大量尘埃遮蔽阳光，导致75%的物种在数月内灭绝，包括所有恐龙。

An unusually well-preserved Australian fossil reveals details about the diet, behavior, and appearance of a ...