Discovery Called Key Evidence Of Vertebrates' Ocean Origins. April 6, 2006. By Guy Gugliotta. Scientists yesterday reported discovering an evolutionary "missing link" between fish and land animals ...

A special United Nations-affiliated oceans and ice report released on Wednesday, Sept. 24, 2019 projects three feet of rising seas by the end of the century, much fewer fish, weakening ocean ...

A jellyfish "elevator" carrying a hitchhiking fish up from the ocean depths has been captured in a photo documenting one of the largest migrations in the world — one that takes place every night.

Scientists define the deep sea as encompassing all ocean waters below 656 feet (200 meters). In these regions, sunlight filtering through the water from above begins to dwindle, giving way to a ...

The majority of animals that have mastered flight and swimming are birds that eat fish or other marine life. Some are seabirds that can dive 200 feet under the water and spend most of their lives ...