Fans of head-to-head airplane races at screaming speeds are traveling to unfamiliar skies as a premiere national competition ...

WARSAW, Poland (AP) — Poland said Wednesday that multiple Russian drones entered its territory over the course of several ...

Today in History for Sept. 10: ...

The first-ever detection of gravitational waves was made 10 years ago today (Sept. 14). In celebration, Space.com takes you through the most significant gravitational wave discoveries to date.

The State Board of Education is taking on an overhaul of the social studies curriculum that had been delayed by a split over ...

The checks-and-balances of our government have been increasingly tested in ways our founding fathers never anticipated, yet ...

Harvard professor and New Yorker writer Jill Lepore explores the ongoing struggle to amend America's founding document and ...

A popular museum in Atlanta is expanding at a critical moment in the United States — and unlike the Smithsonian Institution, ...

Experts on political violence said the factors shaping the current moment are clear — and similar to those that shaped past ...

America's leadership "isn't some fixed, unchanging feature of the scientific landscape," says one UC historian.

William Shirer chronicled Hitler's clampdown on rights and liberties in 'The Rise and Fall of the Third Reich.' ...