Researchers have long believed that a sudden, massive deluge filled a dry, salt-filled Mediterranean 5 million years ago.

The most extreme heat event on the planet right now is happening not on land but at sea. A prolonged, record-smashing marine heat wave is scorching the Mediterranean, where water temperatures have hit ...

Below the waves of the Mediterranean, Europe's KM3NeT neutrino telescope is on a cosmic hunt. Towering strings of sensors stretch a kilometer down to the seafloor, arranged in a vast 3D grid. Its ...

Have you ever wondered how many different seas there are in the world? Some seas are huge. Some are very deep. Others are known for having extremely salty water. For example, the Mediterranean Sea is ...