OpenAI CEO Sam Altman took the witness stand Tuesday to defend his business record in a trial pitting him against Elon Musk, rebutting testimony that disparaged his leadership at a pivotal time for the ChatGPT maker. Musk, the world’s richest man, is seeking Altman’s ouster from the company leadership as part of a civil lawsuit accusing him of betraying their shared vision for OpenAI.

The head of the U.S. Food and Drug Administration, Dr. Marty Makary, is resigning after a rocky tenure that drew months of complaints from health industry executives, anti-abortion activists, vaping lobbyists and other allies of U.S. President Donald Trump.

A wildfire threatening homes near Whitecourt continues to rage a few kilometres southeast of the northern Alberta town.

Moncton, Saint John races also nailbitersThe mayoral races in Moncton and Saint John remain close. In Moncton, it’s a battle between Murphy and Crossman, with

If there’s a thin line separating laughter and pain, then a new Netflix documentary out Tuesday reveals Martin Short’s walked that line for most of his life.

The colourful tulips at Commissioners Park in Ottawa are on full display during the Canadian Tulip Festival, which runs May 8-18.

Spring seeding is underway, and as farmers spend long hours in the tractor planting crops, they’re facing hefty increases to the cost of diesel and

“How do I meet new people?” That question — especially for adults — is all over the internet. CBC News spoke to Calgarians about how they’re making friends, and an expert on the cost of loneliness and social isolation.

In late July 1990, in the waters off Nova Scotia and at a tiny Cape Breton wharf, a plot to unload around two-dozen tonnes of hash was foiled by RCMP, the coast guard and the military. A judge later called the plan “one of the largest conspiracies ever to import drugs through the Nova Scotia coast.”

Lisa Richardson had an unplanned pregnancy in her teens and gave up that child for adoption. She always assumed that getting pregnant and becoming a mom would be easy when she was ready. But life took an unexpected turn.

Iranians have faced a near-total blackout for more than 70 days straight. The shutdown has cost the Iranian economy an estimated $250-million US a day.

Francine Shimizu-Orgar has frequent nightmares when her mind replays moments from the recent inquest into her daughter’s death at the St. Catharines, Ont., hospital. But if the inquiry, which the family pushed for, wasn’t held, what happened to 24-year-old Heather Winterstein “would never have come out,” Shimizu-Orgar tells CBC from the family home in the Niagara region city.