A new study found toxic chemicals in whales and dolphins.
Some dolphins were even trained to kill.
They also might be better equipped to adapt to climate change.
The 180 million-year-old fossil points to a missing link.
There are many members of the animal kingdom that rival our own wits.
Yes, scientists taught killer whales to speak English. Sort of.
In this food fight you either win or you die
A remarkable find, now in 3D.
Plus, what dolphins think you look like
And dolphins too!
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