Learn how cleaner wrasse used a mirror and even dropped food to test their reflections, a behavior linked mostly to mammals.

Dolphins also have a habit of flinging octopuses. This has a practical benefit of killing the octopus before the dolphin tries to eat it, thus avoiding the danger of being choked by hundreds of ...

Picture a dolphin diving toward the seafloor with something odd on its nose. It is not a shell or a fish. It is a sea sponge.

The RV Tom Crean has set sail from Derry with a team of scientists on an expedition to monitor fish and marine mammals in the ...

“Beaching here could be lethal,” explains David Attenborough in footage filmed for the BBC TV series The Hunt, which ...