Learn more about why understanding how life works in the deep sea is crucial to understanding the entire planet, and that’s never been more important.

The peanut worm, or Sipuncula ... They’re nature’s underwater recyclers, processing sand and detritus into cleaner seafloor. Even without a brain or complex organs, these colorful-blooded ...

The high-energy songs and choreography contrast sharply with the isolation of the worms (it is oddly moving ... and the brain-addling detritus of celebrity culture—before turning darker, more ...

The high-energy songs and choreography contrast sharply with the isolation of the worms (it is oddly moving when they speak ... and the brain-addling detritus of celebrity culture—before turning ...

If you’re a fish lover and think you know all there is to this lovely aquatic animal, here’s a shocker: you probably don’t. For starters, no one even knows how many different types of fish there are ...

Certain animals are as important to the ecosystem as bees because they break down organic dead matter and return its minerals to the food chain, ensuring that no materials or energy are wasted.

Preserved burrows found in ancient rocks suggest that trap-jaw worms have burst from the sand to snatch fish for millions of years. Predatory sand striker worms can grow up to 10 feet in length.

If you aren’t one of the 5 million people who’ve watched a 9-second video of a bizarre purple worm vomit a milky living tree all over a random man’s hand (perhaps in Thailand, judging from ...

Enter the accordion worm. This recently identified marine ribbon worm, colored brown to dark green, measures 110–250 mm long and 3–4 mm wide in its unbothered state and can expand and contract ...