Newly analyzed jawbones from 380-million-year-old lungfish are shedding light on the feeding behaviors of our earliest ...

Fish use nearly twice as much energy to hover as to rest, revealing that staying still in water is anything but effortless.

They hesitated at first, but the fishermen jumped into the water after realizing how calm the tiger sharks were, said Chelsea ...

Fish make hanging motionless in the water column look effortless, and scientists had long assumed hovering was a type of rest ...