Explore the 25 largest empires in history, ranked by their peak land area. From the British to the Mongol, discover how these ...

A Fredericktown geologist’s gravity-map analysis suggests a 124-mile ancient asteroid impact structure may lie beneath ...

Russia is already the largest country on Earth, stretching across Europe and Asia and covering more territory than any other ...

Do you remember what "open world" once meant? Back when just that phrase was enough to grab your attention. An open world is ...

Seattle and Portland briefly ranked within the top 10 cities in the world with the worst air quality the morning of Aug. 6.

Ukraine-Russia war latest: Zelensky says Kyiv has made significant battlefield gains ‘exactly as planned’ - Earlier, Zelensky says his forces struck ‌Russia’s Novorossiysk ‌naval base with drones, ‌mi ...

Extreme conditions in Washington and Oregon have fueled fast-moving fires, leaving the region draped in toxic plumes – and the danger isn’t over ...

The southwest of the Amazon rain forest has long been regarded as a pristine wilderness, undisturbed by large scale human ...

Trump has denied reports that the U.S. is draining its munitions stocks, which could affect American operations against Iran.

The first solar eclipse of the century will take place on Wednesday, with another not due until 2081, but some parts of the ...

Silicon Valley companies are already working on neurotechnology products that track your brain activity. The next privacy frontier might be the things you only think.

At least 20 people are dead after a 7.4 magnitude earthquake was recorded Monday in western Colombia. Follow here for the latest.