Many animals get their external marking--like, feathers, hair or scales-from genetics. But it turns out, the crocodile gets its head patterns differently.

With efforts to bolster the federal Voting Rights Act unlikely under Republican control of the new Congress, advocates are refocusing on state protections against racial discrimination in elections.

A new study reveals how a group of killer whales is able to hunt whale sharks, adding to a growing body of research showing how the whales use intelligence and coordination in impressive ways.

Ohio's state supreme court has struck down one of the central legal arguments used against corporations accused of fueling America's opioid crisis. The ruling could have far-reaching implications.

It's been less than a week since a coalition of opposition fighters overthrew the Syrian regime. Opposition leaders and government workers are rolling back decades of repression and corruption.