In a time before cars, planes, and boats existed, have you ever wondered how and when humans first spread across the globe?

The talks signal fresh support from European allies. But they follow stalled U.S. negotiations in Miami and comments from ...

Europeans are feeling “genuine fear and distrust regarding the United States,” former Estonian President Toomas Hendrik Ilves told NBC News.

A new National Security Strategy from the White House is putting Europe’s demographic trajectory squarely in the spotlight, ...

The strategy calls for asserting U.S. dominance in the Western Hemisphere and 'cultivating resistance' in Europe.

The idea that extreme climate change could one day cause a mass extinction and end the human dominance is not as farfetched ...

A new study highlights the key role the Southern Ocean plays in the Earth’s climate system. Around 12,000 years ago, the last ...

Fresh evidence suggests early Earth wasn’t locked under a rigid stagnant lid but was already experiencing intense subduction.

Zealandia, considered a candidate for the Earth’s eighth continent, was mostly lost to the sea. Geologists say they’ve now ...

The uniquely vulnerable West Antarctic Ice Sheet holds enough water to raise global sea levels by 5 meters. But when that ...

In case you've faced some hurdles solving the clue, Continent where Earth's highest and lowest elevation points are both found, we've got the answer for you. Crossword puzzles offer a fantastic ...

Earth scientists have uncovered an unexpected geological process linking continents and oceanic volcanoes. Beneath the Earth’s surface, fragments of continental roots appear to drift into the oceanic ...