Poland is set to provide Ukraine with four MiG-29 fighter jets in the coming days, Polish President Andrzej Duda said on Thursday, becoming the first NATO country to do so.

In the first day day after it was unveiled, GPT-4 stunned many users in early tests and a company demo with its ability to draft lawsuits, pass standardized exams and build a working website from a hand-drawn sketch.

Iranian authorities have used torture methods including sexual violence against imprisoned children as part of a crackdown on recent protests, according to rights group Amnesty International.

Retired Col. Cedric Leighton explains why the new footage released by the US military's European Command of the mid-air encounter between a US surveillance drone and Russian fighter jets over the Black Sea shows the act was deliberate.

The US military's European Command has released footage of the encounter between a US surveillance drone and Russian fighter jets over the Black Sea. The newly declassified video depicts critical moments of the mid-air encounter, which the Pentagon said lasted 30-40 minutes.

Yevgeny Prigozhin, the combative boss of Russia's Wagner private military group, relishes his role as an anti-establishment maverick, but signs are growing that the Moscow establishment now has him pinned down and gasping for breath.

South Korean President Yoon Suk Yeol arrived in Japan Thursday for a fence-mending summit, the first such visit in 12 years as the two neighbors seek to confront growing threats from North Korea to rising concerns about China.

Authorities in Thailand are scrambling to locate a metal cylinder with dangerous radioactive contents that went missing from a power plant this week, warning the public of serious health risks.

Yevgeny Prigozhin, leader of the private Russian army Wagner Group, is lashing out at the Russian Defense Ministry while some in the Russian elite are levying heavy criticism on the one-time Putin ally. CNN's Melissa Bell reports.

Shares in Credit Suisse dropped more than 20%, falling to a record low. Mark Zandi, Chief Economist at Moody's Analytics, adds context to the situation.

CNN's Rosemary Church interviews a leading scientist about a massive seaweed blob twice the size of the US that's headed for the Gulf of Mexico.