Earth's earliest life forms developed ways to survive the harmful effects of arsenic to cope with dramatic changes in their ...

Measuring shells and skeletons encased in thousands of limestone samples has revealed that the sheer amount of living stuff ...

Insect loss is gradual but devastating. Fewer pollinators, smaller harvests, and fragile ecosystems are already appearing.

Nearly three-fourths of Earth is covered by oceans, making the planet look like a pale blue dot from space. But Japanese researchers have made a compelling case that Earth's oceans were once green ...

Two life forms living together helped spark the evolution of all complex life. By learning to appreciate this process more ...

And, perhaps by considering Earth after us, we can get a realistic understanding of all the ways we’ve shaped and changed the planet, says Alan Weisman, an environmental journalist and author of ...