Watch Video It's officially official: Brexit has begun. U.K. Prime Minister Theresa May sent a letter to the European Council, which triggers Article 50 of the Lisbon Treaty.
Watch Video Scotland's Parliament has backed First Minister Nicola Sturgeon's call for another vote on independence. The decision comes a day before British Prime Minister Theresa May plans to officially start the Brexit process.
Watch Video Talk about leaving a mark. Meet the world's biggest dinosaur footprint. It was discovered in a remote region of northwest Australia by a team of paleontologists from The University of Queensland.
Watch Video Recreational marijuana might be legal in Canada as early as next year. An anonymous government official told CBC about plans to introduce a new bill in early April that would legalize marijuana.
Watch Video The U.K. has unveiled what it says is the "most secure coin in the world." The British 1-pound coin hit the market Monday after three years in development.
Watch Video Tropical Cyclone Debbie made landfall in Australia. And the violent storm is packing quite a punch.
Watch Video The man who attacked U.K.'s Parliament reportedly sent a message on WhatsApp just minutes before the incident. Four people were killed and 50 others were injured before the attacker was shot and killed by police. The messaging service, which is owned by Facebook, uses end-to-end encryption so no one can intercept messages.
Watch Video More than 700 people were arrested during anti-corruption protests across Russia on Sunday.
Watch Video People in Italy are apparently really, really healthy. The Bloomberg Global Health Index tallied 163 countries across the world and found the country that invented "modern" pizza is actually the healthiest in the world.
Watch Video As many as 200 civilians might have been killed by recent U.S. airstrikes in Mosul, Iraq.
Watch Video After nearly six years in custody, former Egyptian President Hosni Mubarak has been freed.
Watch Video The Trump administration is tightening the reigns on people from foreign countries coming into the U.S. According to documents published by The New York Times, the new rules mean visa applicants who were "in a territory at the time it was controlled by ISIS" will have their social media histories checked. The tightened vetting is the result of a memo President Donald Trump signed the same day he signed his revised travel ban.
Watch Video A former Russian lawmaker turned Putin critic was shot and killed in Ukraine on Thursday.
Watch Video Germany's Cabinet backed a bill that could pardon thousands of men who were convicted of homosexuality after World War II.
Watch Video Another suspect has been arrested in connection with a series of bomb threats against Jewish community centers and other institutions throughout the U.S.
Watch Video Police have revised the death toll for the attack near U.K.'s Parliament from five to four, including the attacker.
Watch Video In reaction to an attack in London on Wednesday, Donald Trump Jr. took his grievances with the city's mayor to Twitter. He wrote: "You have to be kidding me?
Watch Video Dogs as far as the eye can see: Nope, it's not a dream; it's a real dog sanctuary. Translated in English as "Land of Strays," the pooch paradise is a no-kill shelter on a farm in Costa Rica. Over 900 dogs live there, and probably the best part is anyone can visit and go hiking with them. The dogs — who are all named — are up for adoption.
Watch Video U.K.'s Parliament is on lockdown after a terror attack occurred nearby. The Metropolitan Police Department tweeted a "firearms incident" happened at Westminster Bridge around 2:40 p.m.
Watch Video It's been years since the underwater remains of the RMS Titanic have been visited by humans.