Mass extinctions clearly upend the status quo. Now, our ocean floors are dominated by clams burrowed into sand and mud, the quahogs, cockles and their relatives – a scene far different from that of ...

About 66 million years ago - perhaps on a downright unlucky day in May - an asteroid smashed into our planet.Author Stewart Edie Research ...

Humans have shaped the planet like no other species. Our influence really has an impact on Earth, but what would happen if, ...