The future of the democratic world will be determined by whether the Ukrainian military can break a stalemate with Russia and drive the country backwards—perhaps even out of Crimea for good.
A Princeton geologist has endured decades of ridicule for arguing that the fifth extinction was caused not by an asteroid but by a series of colossal volcanic eruptions. But she’s reopened that debate.
The claim that creationism is a science rests above all on the plausibility of the biblical flood
The methods used to make flu vaccines are slow and sometimes unreliable, and new viruses threaten to outrun them. Can researchers find a way to stay ahead?
An afternoon spent with the famous gorilla who knows sign language, and the scientist who taught her how to “talk”
Researchers believe that gut bacteria may be to blame for some of the condition’s physical and emotional symptoms.