Like corn kernels in slowly heating oil, the orca sightings began sparse and unpredictable. But at some imperceptible moment, ...

Just before the end of the year, Southern Resident killer whales welcomed a new addition to their struggling population.

Tilikum was once the star attraction at SeaWorld Orlando - but behind the performances lay a dark and tragic history. Captured as a calf and held in captivity for decades, he was involved in the ...