The dissident was killed while in Russian custody by a highly potent toxin that doesn’t occur naturally in Russia, according to the joint investigation.

As household names underperform all over Italy, the first week of the Games has yielded only four golds for the Americans. Can their Olympics be salvaged?

As the midterms approach, some rank-and-file Republicans are starting to show independence.

The secretary of state addressed tensions over tariffs and Ukraine in a speech at an annual trans-Atlantic gathering.

Figure skater Ilia Malinin was expected to strike awe at the Winter Games. Instead he fell apart during his climactic performance in Milan.

The free-for-all-era of weight-loss copycats is ending, but will likely morph into something else.

The mayor’s affordability agenda is imperiled by a multibillion-dollar budget hole, with tax revenue lagging behind the ...

The use of the model through a contract with Palantir highlights the growing role of AI in the Pentagon.

While the reading was cooler than expected, consumers still saw higher costs for computers, ​appliances​ and hospital care.

An American Airlines jet and an Army helicopter crashed, creating unlikely friendships and advocates ...

The largest U.S. cryptocurrency exchange swung to a loss in a quarter marked by a selloff in digital currencies.

Shares in U.S. steel and aluminum producers fell after reports that the Trump administration is considering whether to narrow the scope of import taxes on the metals. Steelmakers Nucor, Steel Dynamics ...