From: National Geographic Channel on Sat, May 07 2011 6:58 PM

The Fight Science team puts an elite breed of special operations forces to the test.

From: National Geographic Channel on Sat, May 07 2011 6:58 PM

Follow the journey of four of the most challenging pit bulls found on Michael Vicks property as DogTown helps rehabilitate them.

From: National Geographic Channel on Sat, May 07 2011 6:58 PM

Explorer, the longest-running documentary series on cable, marks it 25th anniversary with a two-hour special hosted by Lisa Ling.

From: National Geographic Channel on Sat, May 07 2011 6:58 PM

Understanding the behavior of hammerhead sharks may be the key to ensuring their survival.

From: National Geographic Channel on Sat, May 07 2011 6:58 PM

Riley joins a crew lifting a 50 ton boiler 160 feet up a tower and suspending it above 24,000 mirrors to create solar power.

From: National Geographic Channel on Sat, May 07 2011 6:58 PM

Sherry Woodard helps Shaggy, a mixed-breed feral dog that survived living in the wild, become socialized with humans.

From: National Geographic Channel on Sat, May 07 2011 6:58 PM

Sean faces one of his most spectacular fixes to date as he repairs a giant magnet at the Large Hadron Collider.

From: National Geographic Channel on Sat, May 07 2011 6:58 PM

Images taken during World War II preserve the atrocities of the era.

From: National Geographic Channel on Sat, May 07 2011 6:58 PM

Was the sinking of the Titanic just the culmination of a series of freak accidents?

From: National Geographic Channel on Sat, May 07 2011 6:58 PM

They’re a part of the family, and people go to great lengths to make sure their pets are safe.

From: National Geographic Channel on Sat, May 07 2011 6:58 PM

A tourist vanishes while sunbathing on Fraser Island, Australia. A month later, dingoes attack two boys. Is there a connection?

From: National Geographic Channel on Sat, May 07 2011 6:58 PM

The Big Bang created all the matter and energy in the universe and laid the groundwork for every explosion since.

From: National Geographic Channel on Sat, May 07 2011 6:58 PM

In special environments used for treating claustrophobia, Brianna is exposed to extremely tight spaces to help her beat her fear.

From: National Geographic Channel on Sat, May 07 2011 6:58 PM

An inside look at the dangerous, fast-paced and high-stakes world of the Los Angeles Port.

From: National Geographic Channel on Sat, May 07 2011 6:58 PM

Can renewed investigations allow archaeologists to finally solve the riddle of the Sphinx: who made it and who does it represent?

From: National Geographic Channel on Sat, May 07 2011 6:58 PM

Rescue Ink helps out a war veteran down on his luck, chases down some chickens, and finds Ebony the church dog a permanent home.

From: National Geographic Channel on Sat, May 07 2011 6:58 PM

National Geographic gives the definitive examination on what really happened during the Watergate scandal.

From: National Geographic Channel on Sat, May 07 2011 6:57 PM

Sean Riley is off to Charles de Gaulle Airport in Paris to join a team of engineers as they attempt to fix a damaged Boeing 767.

From: National Geographic Channel on Sat, May 07 2011 6:57 PM

Could the wounds Jesus received on his forehead, side, hands and feet during his crucifixion appear unintentionally in a select few? The marks are called stigmata — and claimed cases are on the rise.

From: National Geographic Channel on Sat, May 07 2011 6:57 PM

Could the wounds Jesus received on his forehead, side, hands and feet during his crucifixion appear unintentionally in a select few? The marks are called stigmata — and claimed cases are on the rise.