With nearly 6,000 veterinary cases and well over 100 births each year, the team at the Columbus Zoo has no shortage of incredible drama.

Celebrities are given the opportunity to research their family trees with surprising and often unexpected results.

Travel through the universe to explore the really big questions. Is there life on other planets? Just how big was the Big Bang? What would traveling at "warp speed" really look like? Could ...

While dangerous, extreme weather makes for some riveting video and lends itself to being easily shared online and going viral. Such videos of destructive weather are featured on this series...

Just when you thought you knew who did it, a tip comes in that changes the direction of the case and shifts suspicion.

U.S. version of the British series about a professional dog trainer who offers advice to owners of troubled pets.

This landmark series tells the story of World War II through the experiences of eight remarkable men. Men who, like sixteen million other Americans, bravely serve their country during its ...

Throughout the early 1960s and 1970s, the Zodiac Killer, one of history's most famous unidentified serial murderers, terrorized America in a spree of heinous attacks, sending taunting ...