Robert Mueller, the FBI director who transformed the premier law enforcement agency in the U.S. into a terrorism-fighting force after the Sept. 11, 2001, attacks

Monarch butterflies are on their way back to Canada and a select few will be rocking a tiny microchip for the flight north. CBC’s Jorge Barrera went to the El Rosario butterfly sanctuary in Mexico to learn more about the project that scientists hope will unlock some mystery around the monarch’s migration.

As Hawaii endures its worst flooding in more than 20 years, officials are urging people in hard-hit areas to “LEAVE NOW.” The warning early Saturday came after heavy rains fell on soil already saturated by downpours from a winter storm a week ago. Still more rain was expected during the weekend, officials said.

After a four-year break, K-pop supergroup BTS returned Saturday with a massive, free comeback concert in Seoul, where thousands of police locked down a central boulevard for the Netflix-exclusive spectacle that drew tens of thousands of fans.

Despite the attacks on Iranian Kurdish camps in Iraq, there remains a waiting game for Iranian Kurds hoping to play a part in regime change across the border.

Canada considered conserving oil with gasoline rationing stamps in 1979. While it never put the stamps into circulation, economist Peter Tertzakian said the proofs are a reminder that anything can happen in an oil shortage.

When Andrew Scott decided to chase a career in music and give up his studies, it was only going to be temporary. “I’m not going to be in a rock band when I’m 30,” Scott told his mom. Thirty-five years later, he’s still making music with Sloan. His former school is giving him a prestigious designation.

Sports and music fans are applauding the province’s plans to outlaw sky-high ticket resale prices, but some insiders say there’s more work to be done.