Far beneath the ocean’s surface, where sunlight never reaches and temperatures soar near underwater volcanoes, life still thrives. Entire ecosystems survive on toxic chemicals released from ...

These creatures are so fragile that the moment they are pulled out from the water, they collapse and disappear.

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 ...