These spheres from the abyss conceal creatures with startling biology.

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

Sea creatures have adapted to help them thrive in extreme environments. Unusual features allow them to live thousands of feet below the surface. Underwater robots give researchers a glimpse at some of ...

Astonishing life dwells in the deep sea. An ocean expedition to a dynamic marine realm off the little-explored Chilean coast — with seeps and vents emitting nutrients into the water — has spotted a ...

Comb jellies, the delicate bells that pulse their iridescent bodies through the ocean, are some of the strangest creatures on Earth. “They are the aliens of the sea,” said Leonid Moroz, a ...

The sea is dark and full of terrors. There may or may not be water on Mars, but there are apparently Martians in the water. A fisherman is making waves after sharing footage of a bizarre, mystery sea ...

In The Biology of Subnautica | Part II, delve deeper into the alien ecosystems of Planet 4546B, examining the complex ...

This deep-sea polar worm looks like it can't decide if it's dressed for a glitzy party or a gruesome massacre. When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

The head of Bathynomus vaderi resembles the helmet worn by Darth Vader from Star Wars. Nothing epitomizes the mysteries and wonders of ocean life quite like a giant sea bug. Imagine a pale roly-poly ...