USA

The Anthropic IPO, and those of other AI-related firms like OpenAI, could be among the biggest in U.S. history.

A tennis legend at 44, Serena Williams is returning to pro tennis this month, announcing plans to play in the HSBC Championships in London. Williams, a mother of two, retired nearly four years ago.

A study finds that an mRNA vaccine is highly effective at preventing recurrence of this dangerous skin cancer, when used in combination with Keytruda, an immunotherapy drug.

A huge crowd of supporters gathered peacefully near the Eiffel Tower on Sunday to celebrate Paris Saint-Germain's victory, which was marred by violent clashes overnight that led police to detain hundreds of people.

Tough-on-crime outsider Aberaldo de la Espriella took the lead in Colombia's presidential race on Sunday night, setting up a runoff with Iván Cepeda, an ally of outgoing President Gustavo Petro.

The pale pink birds — called "fenicotteri" in Italian — are now flocking to Venice in record numbers, as ecological efforts to restore damaged wetlands could help expand their habitat and possibly induce them to nest in the lagoon.

Five patients have recovered from a rare type of Ebola virus, the head of the World Health Organization said Sunday during a visit to Bunia in eastern Congo.

Israel has captured the 12th-century Beaufort castle that overlooks southern Lebanon and northern Israel. The move suggests Israel is planning an extended military presence in Lebanon.

Paris Saint-Germain has won back-to-back Champions League titles by beating Arsenal on penalties in a dramatic final in Budapest.

Rescue workers in Laos said Saturday they have safely evacuated four villagers trapped in a flooded cave for 10 days.

A festival honoring Lithuania's iconic cold beet soup brought tens of thousands of visitors Saturday to its capital city, which was fully decked out in pink.

Pope Leo's first encyclical voices his concerns about technology and AI. The pope cautions about the illusions AI bots can create, and how important actual human relationships are.

Far from Colombia's tourist hubs, the Mavecure Mountains rise from the Amazon jungle. Once off-limits during conflict, they now draw adventurous visitors to rare wildlife, sacred sites and vast views.

For more than two decades, Martha Raddatz has reported from the front lines of America's wars, bearing witness to courage under unimaginable circumstances. In her new book, the veteran ABC News journalist turns her attention to the service members, families and everyday Americans whose sacrifice often goes unnoticed. Geoff Bennett sat down with Raddatz to discuss "The Hero Next Door."

Russia's warning to carry out "consistent and systematic" missile strikes on Kyiv, accompanied by a call for evacuating foreign embassies from the capital, signals Vladimir Putin's intention to expand Russia's barrage despite the heavy costs and potential international outrage.