Ukrainian prisoners of war returning home from Russia, undisclosed location in Ukraine, 5.

U.S. President Donald Trump wants to buy Greenland - or just take it. Residents say their country isn't for sale, but some are hoping that the attention might help Greenland wrest even more freedoms ...

From war zone risks to head-scratching tourists, the manipulation of the GPS navigation system by hackers (jamming and ...

When the Great Lakes Water Quality Agreement was passed in the 1970s, eutrophication was the big problem. Eutrophication occurs when too many nutrients enter a body of water, increasing the amount of ...

A new premier in France and soon in Canada, a new coalition in Austria, new presidents in Georgia and Moldova despite ...

As a greenhouse gas, methane is much more potent than carbon dioxide, so closing large sources is important. Particularly ...

Dozens of countries have already been directly affected by Trump’s threats of tariffs and the withdrawal of US aid since he assumed office two weeks ago ...

Some of Trumps threats to take over Greenland, Canada, and the Panama Canal are based on actual U.S. strategic goals. Others ...

M ANY FEAR that a new cold war between America and China could divide the world economy into rival geopolitical camps. But ...

A senior pro-Russian paramilitary leader from eastern Ukraine was killed in a bomb blast in the lobby of a luxury apartment ...

It’s clear that America’s principal global adversaries are increasingly cooperating, and policymakers and experts are ...

More than half the Arctic's coastline is Russian territory and in the last six years Moscow has built more than 475 military ...