Add Yahoo as a preferred source to see more of our stories on Google. A great white shark swims near Guadalupe Island in Mexico. As far as we know, these cetaceans are the sole predator that can kill ...

The dramatic footage of killer whales hunting white sharks captured global attention. But scientists studying population data noticed something unusual. White shark numbers were already declining long ...

Everyone can agree, though, that the great whites that once made Cape Town the shark capital of the world have vanished.

Great white sharks have abandoned a former hotspot in South Africa. Some pin the blame on a pair of orcas. Others point the ...

Some experts point to orcas, while others say human activity is the real threat ...