For more than 60 million years, penguins of all kinds—including the opportunistic Magellanic penguin—have been driven by an ...

In The Decline and Fall of the Human Empire, science writer Henry Gee considers how long we’ve got, and how we can extend our ...

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 ...

Researchers link two ancient mass extinctions to nearby supernova explosions, which may have damaged Earth's atmosphere and ...