Daniel Caniullán has been diving in the cold waters of the Guaitecas Archipelago in northern Patagonia, Chile, for more than ...

A research team led by Occidental College has identified a previously unknown symbiosis; deep sea spiders that cultivate and ...

The mesh-like fossil would push back the oldest known animal on Earth by more than 300 million years. But like many claims of very old life, the study is kicking up lively debate.

Scientists say they have discovered three previously unknown, unnamed species of sea spider off the U.S. West Coast that ...

Heat-trapping methane may be best known for the dangers it poses to humans and Earth’s atmosphere, but in the dark depths of ...