NASA is sending a tiny spacecraft closer to the sun than any man-made object has ever been and faster than any man-made object has ever traveled.

The future of a herd of reindeer is in Dr. Oakley’s hands and a wild boar’s razor sharp tusks pose a dangerous threat.

It’s a wild day at Dr. K’s clinic, as a malnourished baby lemur named Lena rushes in, in shock, Stuart a beloved mouse gets a much needed eyelift, and a chameleon named Yoda has something unusual sticking out from under his tail.

Mike fishes Austin, Texas in search of an elusive fish – the legendary smallmouth buffalo. But after days of fishing, success looks increasingly dire.

Lion prides battle for territory. Rogue males trail the buffalo, in search of their own prides.

The vets go over the hills and through the woods of central Michigan from one emergency call to the next.

Tyson ends the series by emphasizing Sagan's message on the human condition in the vastness of the cosmos.

A storm is brewing as Simon hunts for a deadly black mamba by torchlight. A forest cobra pulls Sioux into a lethal game of tug-of-war.

The Shuttle Challenger’s destruction caused America to consider grounding its fleet for good — but would the Hubble telescope save NASA’s reputation?

IMSF and Lukrum establish a tenuous coexistence with a common water source. In the present day on Earth, activists protest Arctic oil drilling.

A peaceful human realm stands on the brink of war when a portal is opened between their world and an orc world, and as the two races collide, the leaders of both races begin to question whether war is the only answer to their problems.

A beloved high school football coach has led his team to a record-breaking 151 consecutive victories – to the point of sacrificing time with his family.

When CIA analyst Susan Cooper's partner is assassinated, she volunteers to go deep undercover to prevent a global disaster.

A new drama exploring the high-pressure experiences of police, paramedics and firefighters who are thrust into the most heart-stopping situations.

Mayans M.C. is the next chapter in the Sons of Anarchy saga. Set in a post-Jax Teller world, Ezekiel "EZ" Reyes is fresh out of prison and a prospect in the Mayans M.C. charter on the Cali/Mexi border. Now, EZ must carve out his new identity in a town where he was once the golden boy with the American Dream in his grasp.

An exploration of the remote corners of Alaska.

This award-winning series presents compelling untold stories and covers a wide array of provocative subjects. "Explorer" aired for 25 years -- the longest-running documentary series in cable TV history -- before being relaunched in 2015 after a five-year hiatus. Each monthly episode of the new "Explorer" takes a similar deep dive inside a story from the pages of a recent National Geographic magazine issue, taking viewers not only to the most remote corners of the globe but also to the furthest reaches of the mind and deepest crevices of history -- on urgent missions of discovery.

A married father of three girls, who tries to maintain his manliness in a world increasingly dominated by women.

A powerful drama that follows the head of a music empire whose three sons and ex-wife battle for his throne.

Four friends share ownership of a bar in the City of Brotherly Love and work together to help make it a huge success while suffering through humorous occurrences day in and day out within the business and in their own personal lives.

Dr. Susan Kelleher treats a variety of unusual exotic animals.

A new medical drama starring Matt Czuchry (“The Good Wife”).

Mike "Ike" Iaconelli encounters fish of all shapes and sizes in unexpected metropolitan locations.

Nat Geo WILD presents a week dedicated to nature's fiercest felines-big cats. These creatures of magnificent strength, ferocity and beauty are rapidly facing extinction. Get closer than ever to lions, tigers, cheetahs, panthers, and more as you share in their triumphs, defeats, and epic struggles to survive.

Dr Jan Pol along with his wife, Diane, runs a veterinary clinic in Central Michigan's farm country.

A rag-tag group of friends living in a retirement community has no problem breaking every rule to have fun.

American Horror Story is a groundbreaking anthology horror drama series created and produced by Ryan Murphy and Brad Falchuk. The Emmy® and Golden Globe® winning franchise is produced by Twentieth Century Fox Television.

A family adventure series that follows a suburban couple whose ordinary lives are rocked by the discovery that their teenage children possess mutant powers.