If the theory is proven correct, the consequences could be enormous, spelling a much more risky, explosive future.

Saudi Arabia publicly accused close ally the United Arab Emirates of “highly dangerous” actions in Yemen as it led “limited” airstrikes on the country’s Mukalla port Tuesday morning following ...

Billions of people traveled internationally this year and not all of them were on their best behavior. Here are examples of the worst excesses and some new year resolutions for 2026.

One week ago, few knew who 23-year-old Nick Shirley was. But in recent days he has burst into the public sphere, gaining hundreds of thousands of followers and millions of views, amplified by Elon ...

Hundreds of billions of dollars spent, a surge in mental health concerns and thousands of jobs lost. These are just a few of the ways AI rattled the world in 2025 and what comes next.

For the second year in a row, the US has surpassed 25,000 whooping cough cases — another sign of the risks of falling vaccination levels.

New York City Mayor-elect Zohran Mamdani’s inauguration will feature Rep. Alexandria Ocasio-Cortez and Vermont Sen. Bernie Sanders, the two most prominent leaders of the Democratic Party’s progressive ...

People are increasingly turning to AI-powered tools like ChatGPT for travel-planning advice. Here’s what CNN Travel staff in five major global cities discovered while putting it to the test.

Another year of action and uncertainty in America’s abortion care system is coming to a close, after states that weighed in on abortion rights in the 2024 election continue to grapple with the impact ...

The 34-year-old democratic socialist has just a few weeks before the start of state and city budget season begins at the end of January. His top policy ideas include freezing increases on ...

An unassuming lab in Sydney helped spark a global solar revolution. Professor Martin Green and his team developed a solar cell so efficient it became the most widely used on Earth — driving down costs ...

Here are some of the major chains that went bust in 2025: Forever 21 filed for bankruptcy (for the second time) in March and closed down its US operations, shuttering about 500 stores.