In its 4.5 billion year history, Earth has undergone five mass extinctions and we are potentially in a sixth era of mass death. Today’s crocodylians are the surviving members of a lineage called ...

Many huge animals went extinct surprisingly recently. When they died, their ecological role was lost with them.

Northeastern University researchers resurrected an extinct plant gene, turning back the evolutionary clock to pave a path forward for the development and discovery of new drugs.

Parrots numbered 44460 and 44461 don’t know it yet, but they’re about to meet the human species — with all the trauma that ...