Amid growing tensions between NATO and Russia, the Baltic becomes a battlefield of hidden threats beneath the waves.

NASA's Perseverance rover has discovered a haunting rock formation on Mars that looks unsettlingly like a skull. Dubbed "Skull Hill," the jet-black outcrop is so bizarre and out of place that even ...

Researchers in a submersible could hardly believe their eyes, or their luck, when they saw a clearly active eruption along an ...

Researchers diving in a submersible in the eastern Pacific realized that the landscape they had studied the day before had ...

Divers recently identified two Danish slave ships, Fridericus Quartus and Christianus Quintus, during an excavation near ...