NASA has quietly shut down its largest research library at the Goddard Space Flight Center, a decision that will see unique ...

America’s most productive oil patch is now grappling with a problem it cannot drill its way out of: mounting underground pressure from billions of barrels of dirty water. What began as a quiet ...

The Ukrainian leader is reshuffling his cabinet as a corruption scandal reshapes the political landscape at a pivotal point ...

Revolutionary-era smallpox, the still-mysterious ignition of the Black Death, a modern measles outbreak shaped by community identity and distrust, and the promise of genetics to build safer drugs—a ...

It was America's fifth president who formulated a foreign policy approach that has shaped American strategy for two centuries ...

An insurgency that ties the United States down in Venezuela would delight Beijing and Russia. Drug cartels that have been ...

The new year is shaping up to be a consequential one, from control of power in Washington to the agenda President Trump ...