"The techniques differ." Scientists weigh in after observing alarming behavior in great white sharks, orcas: 'They are ...

Apparently even whales enjoy horsing around. The reason orca whales have been attacking European ships recently isn’t due to targeted violence, but rather that the enormous mammals consider it a form ...

For the last five-plus years, killer whales have been ramming – and in some cases sinking – expensive yachts, sailboats and fishing boats in the crystalline waters off the coasts of Spain, Portugal, ...

Two sailing crews were rescued Saturday after orcas attacked their boats off the coast of Portugal, near Lisbon, Portuguese authorities said. The recent confrontations at sea are the latest in a ...