The deep sea is home to some of the largest and strangest creatures on Earth. Scientists have long noticed a pattern of extreme size at great depths, but the reasons remain debated. Factors like ...

Researchers have unveiled world-first deep-ocean landers to uncover how the mysterious dark oxygen is produced in complete ...

Scientists in New Zealand have discovered what may be the biggest example of the species ever recorded—at more than 13 feet ...

Blue blood may look alien, but it’s one of evolution’s most elegant solutions to life in extreme environments. Here’s how ...

An incredibly rare deep-sea fish has been spotted on the California coast.

The ocean floor is becoming a massive plastic dump, with debris accumulating in deep-sea canyons and harming marine life.

These corals are mostly found in deep waters and are used for medicine and jewelry in many cultures.

A towering, centuries old sea creature has been found rising from the seafloor off New Zealand, its branches forming a living ...

“A rare Mola mola (ocean sunfish) washed up on our shore at Cardiff State Beach today,” San Diego State Lifeguards stated Wednesday via Instagram. “It’s the heaviest bony fish on earth and can weigh ...

Australia is doing absolutely everything to protect its most iconic ecosystem — except, perhaps, the one thing that really ...