The tug of war between Denmark and America over Greenland is about much more than Donald Trump’s trademark bluster. It is also a story of colonialism, superpower rivalry and a misprint on a map.

European fears about the U.S. pulling its troops from the continent have been brewing for some time, with the head of the Munich Security Conference, Christoph Heusgen, saying: "The U.S. will likely ...

Extensive evidence, including global temperature and sea ice data, shows Earth's climate is changing due to human activity.

Caught between an aggressive Russia and a disengaging America, the continent’s western democracies must now rearm — or pay ...

Human uptake of microplastic particles (MPs) is causing increasing health concerns, and there is mounting pressure to evaluate the associated risks. While MPs can be ingested, breathed in, or drank in ...

Charlie Jacobsma slapped the surface of a pool enclosure at Chicago’s Shedd Aquarium and scanned the water for movement.