Safety incidents risk exposing AI developers to multibillion-dollar liabilities, with other businesses vulnerable for using the tech.

The Ukrainian president’s defiant decision to continue attacking Russian refineries underscores President Trump’s inability to end a war he had promised to resolve.

Investigations into noncitizen voting follow a pattern. Each inquiry ends with few, if any, prosecutions.

Republican Senate and House candidates are being out-raised by their Democratic rivals, but the party has received a huge boost from groups tied to Elon Musk and President Trump.

Paolo Zampolli says he had “absolute zero surprise” that he was dismissed after POLITICO detailed his email brawl with the deputy secretary of State.

ICE agents rammed a man during a pursuit in Houston, leaving him with a shattered leg. But a bulletin of the target shows a man who died in 2017, his daughter said.

Republicans joined Democrats in calling on the Pentagon’s inspector general to look into whether the Trump administration was responsible for the interruption.

The world’s richest person, who has become the biggest known midterm donor, gave $158 million to a group that quickly spent that much to help Mr. Paxton’s Senate bid in Texas.

Another child and teacher were critically injured, according to the police in Bend, Ore. The suspect, a 16-year-old from Bend, was also dead.

Despite its homegrown alternatives to U.S. military support, Ukraine has no substitute for some American intelligence and systems, such as Starlink.

Election officials say they worry the administration could use its own unsubstantiated claims to contest the vote in November.

The president said only immediate families of the victims of the mass shooting in 2009 would witness the execution of Maj. Nidal Malik Hasan.

Authorities have subpoenaed members of the Democratic congresswoman’s family as part of a broader look at their immigration paperwork.

More students ages 10 to 13 are ending up in the justice system after vaping, making threats and lashing out at school.

Ukrainian engineers are rushing to perfect A.I.-guided, jet-driven interceptors. Their goal: to stop a fast Russian threat in the latest round of a deadly tech duel.

Zacharia has previously referred to herself as a lawyer in public appearances.

Limitations on Ukraine’s access to military-grade Starlink terminals sparked panic among its officials and several U.S. lawmakers.

Just kidding, they always love it when they’re holding the weapon.

For more than a decade, conservative activists held that a single atomic bomb could, without killing Americans directly, lay waste to the country — a claim that built fervor for war with Iran.

How a bereaved general has won over Israelis.

This outbreak was detected late, giving the virus a head start.

A report by weapons experts at Conflict Armament Research shows how the Yemeni militant group is developing medium-range weapons independently of Iran.

Smugglers are shifting routes and using new tactics to evade military targeting, resulting in record supplies and plunging prices.

The Consumer Price Index rose 3.7 percent in September from a year earlier, faster than a month earlier, as gas prices surged 34 percent.

Kyiv has found itself increasingly vulnerable. A huge attack cut power to 600,000 people there, and a Pentagon-funded satellite program appeared to be curbed without warning.

Why Democrats must prioritize court reform.

Eight election experts weigh in on Trump’s midterm threats.

Ms. Guilfoyle was asked to quit by the White House after a string of damaging reports, including that she had asked a Republican donor to pay off a credit card.