Ayatollah Ali Khamenei has entrusted Ali Larijani, the top national security official, to ensure the Islamic Republic endures any military attacks and targeted killings.

Countries that under the threat of tariffs made commitments like enormous investment pledges face the reality that they may have been better off waiting.

Three more skiers have died in the Lake Tahoe area since the deadliest avalanche in California history on Tuesday killed nine.

Scores of Californians have moved to Tennessee for its friendlier business environment and conservative politics. On Saturday, the Democratic governor accused of driving them away paid a visit.

The Cybersecurity and Infrastructure Security Agency has navigated staffing cuts without a Senate-confirmed leader. Employees have become demoralized and concerned about the agency’s ability to ward off threats.

A new law was supposed to help reduce the sentences of survivors of domestic violence. Most are still behind bars.

Four years that changed everything.

When making forecasts, our reporters aim to visualize severe weather possibilities rather than focus on the most dire predictions. A possible blizzard this weekend is the latest test.

President Trump said his planned meeting with President Xi Jinping would be a grand display, but tensions over trade and defense could dampen the mood.

Workers at NewYork-Presbyterian/Columbia hospital voted for a contract with raises and layoff protections, meaning more than 4,000 nurses will return.

The president seems as intent on tariffs as ever and argues that his trade agenda is succeeding, despite little evidence to support it

Iran’s leaders may have hesitated at the start of the recent demonstrations, but the violent reaction that followed bespeaks a confident regime.

Andrew Mountbatten-Windsor, the former prince, is getting no help from the throne as the crisis over his ties to Jeffrey Epstein intensifies.

Our climate reporter Raymond Zhong describes America’s shifting relationship with polar research amid the threat of rising sea levels.

The Times’s tiny animated athletes flip, spin and soar through the air just like their real-life counterparts.

None of the main research on the voyage of the Araon was funded by the U.S. National Science Foundation, a sign of the difficult times for American science.