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 ...

President Trump wants more U.S. oil companies to "go in" to Venezuela. But there are economic, historical, and climate ...

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

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

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

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