Many unique shark species are facing extinction - threatening ocean ecosystems and wiping out millions of years of evolution.

If current extinction trends continue, global shark populations will lose much of their variety, thereby threatening ...

Australian biologists said Sunday a great white shark measuring up to 12 feet likely killed a 57-year-old surfer off Sydney this weekend, as harrowing details of the attack emerged and authorities ...

An 8-year-old girl screamed in terror as a hulking shark ripped a large chunk of flesh from her body in a bloody attack at a Texas beach over the weekend. Little ...