The Trump administration has halted the participation of U.S. scientists in key U.N. climate change assessments, two sources ...

Pyongyang's expanding ICBM fleet now includes missiles believed to be capable of striking North American targets.

The legislation would terminate U.S. membership in the United Nations and its affiliated bodies, and funding to those groups.

Glaciers are melting rapidly, reducing ice and freshwater supplies, increasing sea levels, and threatening global water ...

Deadly drownings of animals in water canals for irrigation and other purposes have been observed in various countries. The ...

Refugees are providing energy within camps home to millions of displaced people around the world, my research has found.

“Birthright citizenship obviously doesn't apply in case of war or invasion,” Judge Ho told Reason magazine. “No one to my knowledge has ever argued that the children of invading aliens are entitled to ...

President Donald Trump is slamming into U.S. climate policy like a category 5 hurricane, smashing clean energy programs, ...

Russia talks in Saudi Arabia—without Ukraine's participation—give a glimpse at how Trump may handle a crisis over Taiwan.

Ice loss from the world's glaciers has accelerated over the past decade, scientists said on Wednesday, warning that melting ...