New discoveries are challenging everything we know about black holes, and astronomers are beginning to question if they even exist. The latest science tries to explain how they work and what they look like, despite the fact we've never actually seen one.
New evidence might finally identify the hiding place of the billion-dollar Nazi gold train a discovery of a long-lost settlement rewrites the history of the Vikings in North America a blood-red river in Siberia points to catastrophic pollution.
Facing a water shortage in the Pride Lands, the Lion Guard must appease zebra leader, Dhahabu, to gain access to a new watering hole.
Contestants play Blindfolded Musical Chairs, Don't Leave Me Hanging, In Your Face Honey and Make It Rain.
The flight crew manage the passengers' anxiety after they realize they have a corpse onboard Capt. Dave struggles to land the plane.
Jazz and Jeanette return home to the devastation left by Hurricane Irma, and in an effort to help, Jazz and her parents drive to The Keys to help in the clean up the family travels to San Francisco to meet with Dr. Bowers.
Dre’s sister Rhonda is in town and Ruby has a talk with them about her inheritance. Meanwhile, Bow’s sister Santamonica is also in town and she hires Junior to become her assistant.
The Pearsons come together under unexpected circumstances. Meanwhile, Jack surprises the family with a summer vacation.
The mastermind behind the Titans' return reveals himself.
Ruby wants to see a comet fly by, and Rusty will do everything in his power to make sure his friend's wish comes true!Rusty and Ruby race to fix a leaking underwater oil pipeline before it pollutes the lake and makes it uninhabitable.
Two antiques experts compete against each other over five days, buying antiques and selling them in five auctions. The programme is done in a lighthearted fashion with all profits going to charity.
A heroin addict's pimp sends her out on a bad call; the expanding reach of the Heroin Triangle puts first responders at risk; a police sergeant tries to get a homeless addict into a detox center; a former millionaire squats in an abandoned house.
Top items from the year including Rick's visit to the Sunrise Festival in Inuvik, NWT, his tall ship sailing lesson on Lake Ontario and the Gord Downie tribute are featured.
Michael Portillo strikes gold at the Royal Mint in Llantisant.
Whitney uncovers a dark truth about the man she's fallen for, but will he fess up when confronted? Todd refuses to give Whitney her class back, but she has a big fat trick up her sleeve. Heather confronts Buddy about his change of heart.
Aron and his team are hard at work on their reconstruction of Tesla's "Death Ray". Meanwhile Jack and Cameron travel to Colorado Springs to search for the former site of Tesla's experimental laboratory, in hopes of finding more clues about the weapon.
Two cats travel the globe and teach children about unlikely friendships and global citizenships.