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The macabre rituals of serial killers are examined.

Follow comedian and political gadfly W. Kamau Bell as he explores the far corners of our country and its various groups and subcultures.

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An in-depth exploration of mass shootings and their devastating consequences. From the first-hand perspective of survivors, families of the victims, witnesses and heroic first responders, the series goes beyond the sensationalistic coverage of these nightmarish moments to offer a comprehensive report on these tragic events.

The story of the Red Arrows squadron, the world’s most elite acrobatic display team, as it creates a new jaw-dropping display and embarks on a challenging worldwide season.

A look at some of Europe’s and America’s most horrific serial killers and how bizarrely simple blunders eventually brought them to justice.

America’s greatest unsolved mysteries are explored through interviews, archival footage and re-creations. Recently unearthed evidence and intriguing, new theories bring each case closer than ever to finally being solved.

Six of America’s most talented kids get a chance to show off their amazing ingenuity and STEAM (Science, Technology, Engineering, Arts, and Math) skills as they tackle myths similar to those seen in MythBusters, ranging from driving, explosions, chemistry, physics, popular culture and more.

A new breed of explorer has taken space travel beyond the moon to unlock and reveal first-ever views of alien worlds and cosmic bodies far beyond anyone’s imagination. “Space’s Deepest Secrets” shares stories of the men and women who pushed their ingenuity and curiosity to uncover some of the most groundbreaking findings in the history of space exploration. Hourlong episodes cover NASA’s New Horizons mission to Pluto, the Hubble Telescope, the twin Voyager explorations, and other past, current and future missions and projects.

Take a deep dive into the true-crime stories rocking headlines and social media feeds. These victims were young, the crimes against them were shocking and haunting questions remain.

The real-life adventures of a high-altitude helicopter rescue team patrolling Mount Everest are followed in this series, which begins with life and limb being risked to extract two separate injured climbers, both from 21,000 feet. Also: The ARS team provide emergency medical relief to a local boy suffering from a potentially fatal condition.