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 ...

In a remarkable encounter filmed at more than 3,700 feet below the surface of the Indian Ocean, a deep-sea creature resembling an alien glyph has captivated millions online. The footage shows the ...

In the inky blackness nearly 10,000 meters below the Pacific Ocean, scientists have discovered strange animals that may hold vital clues about life beyond Earth. Surviving entirely without sunlight, ...

One that caught attention from many was a type of sea mollusk that washed ashore on South Padre Island in late May.