Stories by Sarah Simpson

Hungry bacteria may have warmed an ancient earth

In the past year scientists have been forced to reconsider how they identify life in the most ancient rocks on earth--and elsewhere in the solar system

Earth's fading field could mean a magnetic flip soon

Earth¿s fading field could mean a magnetic flip soon

The ozone hole may be stirring up antarctica's climate

Tacklng the health dangers of China's "dirty" coal

A pioneer in atmospheric ozone studies, Susan Solomon rewrites the history of a fatal polar expedition

Did Methane Addiction Set Off Earth's Greatest Ice Ages?

Cyanide fishing threatens many of the last pristine coral reefs in Southeast Asia. Will an ambitious program to clean up the marine aquarium trade be enough to save them?

Political uncertainty could stall a plan to rein in deadly waters in the Gulf of Mexico

Was yet another mass extinction the work of an asteroid?

A Zealous Crocodile Wrestler Goes To The Mat For Animals

Whether CO₂-consuming trees can offset global warming is far from certain

New evidence that baby fish and shrimp stick close to home may be the key to saving coral reef biodiversity

Caribbean coral reefs are dying, and reddish dust blowing in from Africa may be partly to blame