Scientists discover underwater mountain ranges, golden towers of coral, and never-before-seen sea creatures.

Scientists are raising concerns about several unusual marine animals whose populations are declining rapidly. The video highlights three aquatic species that researchers believe could disappear before ...

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 ...

This was the first observation of the creature in its natural habitat, and the identity of this species might surprise you ...

Introduction -- To catch an octopus -- Tough and tasty -- A strange animal -- Skin tricks -- Brain power -- Armed--and roboticized -- Hunting -- Sex and death -- Epilogue Veteran journalist and ...