President Donald Trump’s strikes on Iran were decisive. His reasons for launching the war and definition of victory have been ...

The U.S. and Israel were striking Iran on Saturday morning, with Iranian media reporting explosions across the capital Tehran ...

Liu spoke to NBC News on Monday about life after the Milan Cortina Games, where she became the first U.S. woman to win figure ...

President Donald Trump’s looming meeting with China's Xi Jinping will face new tensions after U.S.-Israeli strikes on Iran ...

NASA on Friday announced a major overhaul to its Artemis back-to-the-moon program, a “course correction” that will add ...

Vice President JD Vance is skeptical of foreign entanglements. He also has a history of asserting that "weak little bombing ...

But as the war widens in the region with President Donald Trump signaling no clear end in sight, questions about how much Gulf allies can take are growing.

The U.S.-Israeli attack that ended Ayatollah Ali Khamenei’s iron-fisted rule of Iran also created a power vacuum in the ...

As the Trump administration shakes up recommendations for childhood vaccines, some states are moving to ensure vaccines remain free and health care workers are protected from lawsuits.

ChatGPT Health — OpenAI’s new health-focused chatbot — frequently underestimated the severity of medical emergencies, according to a study published last week in the journal Nature Medicine ...

New research suggests that super-agers generate twice as many neurons as typical older adults. But you don't have to be a ...

From NBC News in Washington, the longest-running show in television history, this is Meet the Press with Kristen Welker.