This 375-million-year-old fish, the closest known relative of the ancestors of limbed animals such as humans, likely evolved ...

Scientists in Japan discovered Physalia mikazuki, a new venomous jellyfish species carried north by warm currents.

The second expedition took researchers to the Southern Ocean’s Bellingshausen Sea, off West Antarctica. The team was the ...

Before microscopes and satellites, the unknown world was a canvas for myth. When ancient explorers discovered fossils, ...

Scientists are revolutionizing how new marine species are described through the Ocean Species Discoveries initiative. Using advanced lab techniques, researchers recently unveiled 14 new species from ...

This frog manages to outlast the winter by building up a glycerol-based "antifreeze" compound that safeguards its cells during icy weather. Its exterior still freezes over, and its heartbeat and ...