Oldest sea reptile from Age of Dinosaurs found on Arctic island

For nearly 190 years, scientists have searched for the origins of ancient sea-going reptiles from the Age of Dinosaurs. Now a team of Swedish and Norwegian paleontologists has discovered remains of the earliest known ichthyosaur("fish-lizard") ...

New tool skillfully predicts marine habitat shifts

As global temperatures rise, so do ocean temperatures. The ocean absorbs about 90% of the world's excess heat, and this leads to changes to the marine environment that go beyond temperature, making some areas uninhabitable ...

Genomic stability: A double-edged sword for sharks

Sharks have been populating the oceans for about 400 to 500 million years. While our planet and many of its inhabitants have undergone massive changes several times during this period, this basal group of vertebrates has ...

Research reveal large swings in past ocean oxygen

As the climate warms, there is major concern that Earth's ocean will lose oxygen. A study published in Geophysical Research Letters by oceanographers at the University of Hawai'i at Mānoa revealed that locked in ancient ...

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