Shark Week Videos
'Shark Week': Shark Attack Victims Face Their Fears
"GMA" catches up with shark attack victims Hunter Treschl and Paul de Gelder, who've become friends since Treschl lost his arm in an attack.
Marine Researchers Shed Light on 'Nuclear Sharks'
Find out how sharks ended up living in a spot decimated by nuclear bomb testing during the Cold War.
Discovery's Shark Weekend Gets Set for New Close Encounters
Jeff Kurr, veteran Shark Week filmmaker, teamed up with researchers to create two new vessels to chase the deadly animals.
The Unbelievably Close Call Between a Pro-Surfer and a Shark
Finalist Mick Fanning narrowly escaped from a shark during the J-Bay Open competition in South Africa.
Surfer Escapes Attack by Shark on Video
Surfing competitor Mick Fanning escapes encounter with a shark in the waters of Jeffreys Bay, South Africa.
'Shark Week' Host Meets Fellow Shark-Attack Survivor
Discovery Channel's Paul De Gelder, who lost his right arm and leg to a bull shark, met Hunter Treschl, who lost his arm in a shark attack in June.
Shark Attack Surge in Carolinas: What Could Be Causing It
Marine biologists have been eager to understand what is causing this uptick in attacks this summer.
Searching for Monstrous Sharks Near Cuba, Caribbean's Final Frontier
Recent political thaw is allowing Cuban and American scientists to team up, reportedly for the first time ever.
Scientists Develop Experimental 'Electric Fence for Sharks'
Underwater magnetic fields have the power to repel sharks because of their electricity-detecting sensory pores.
Shark Attack Survivor Reveals Potentially Life-Saving Advice
Conservationist Paul de Gelder discusses losing two limbs in an encounter with a bull shark back in 2009.