Penguins hand over pebbles; scorpionflies give spitballs. But I’m hankering after a sea sponge presented by a dolphin, says science writer Helen Pilcher ...

Leopard seals rank among the largest seal species on Earth, with adult females reaching nearly 12 feet in length and weighing ...

Philadelphians witnessed a mix of highs and lows in 2025 with perhaps the biggest memory being the city’s professional football team, the Philadelphia Eagles winning it all in dominating fashion ...

As companies search underwater for resources, scientists are taking inventory of the ocean-dwelling creatures that could be ...

A biologist explains the surprising evolutionary math behind how the blue whale became the largest animal that has ever lived ...