After warning US actions risked kicking off the 'end of the world' Russia has given another threat that Europe would be ...

Around 20 people gathered on the corner of Market Street and Liberty Avenue on Wednesday afternoon, waving flags sporting ...

The world passed a nuclear milestone this week. And, perhaps surprisingly given the recent run of saber-rattling from the likes of Russia and the United States, it’s a positive one.

As the world warms, the ice Greenland is losing is reshaping sea levels, geopolitics, and global climate systems.

It sounded like one of those Trumpian lines designed to dominate the news cycle for a day or two before collapsing under its ...

Journey to the world’s most brutal climates, from Antarctica’s frozen plateaus to Siberian villages. Discover how humans ...

One U.S. and two Russian astronauts remain aboard the orbiting lab, just 1 1/2 months into an eight-month mission that began ...

Donald Trump's obsession with seizing Greenland has escalated from a laughable 2019 proposal to a serious geopolitical crisis ...

Numerous pundits and opinion pieces suggested that Trump’s Venezuela raid would send a welcome signal to Russia and China: ...

The fate of the world’s largest island has outsize importance for billions of people on the planet, because as the climate ...

The death of the last treaty between Russia and the U.S. that limited the size of nuclear arsenals may spark a new arms race, ...

KYIV, Ukraine (AP) — Russia launched a second major drone and missile bombardment of Ukraine in four days, officials said ...