Evolving roughly 27 different times in the long history of fish, bioluminescence—the biological production of light—is one of ...

So, blobfish don’t really look like melting ice cream in their natural environment. Underwater, they’re shaped like tadpoles: ...

A man went to the hospital several times with gut pain and a fever — and it turned out that his relatively common symptoms had an unusual cause.

Scientists have discovered the fossilized remains of a new fish species called Ferruaspis brocksi, which lived 15 million ...

Researchers have documented the northernmost record of the highly invasive silver-cheeked toadfish, Lagocephalus sceleratus, ...

A hidden ecosystem of giant sea spiders, octopuses, and other stunning sea creatures shows how life can flourish even when ...