Preliminary results from a recent study may begin to shed light on why megalodons died out before the most recent ice age.
animals
Posted inResearch Spotlights
Tiny Marine Shells Reveal Past Patterns in Ocean Dynamics
A 400,000-year calcium carbonate record from the ocean floor sheds light on deep-ocean circulation and on mechanisms driving climate patterns and atmospheric carbon dioxide concentrations.
Posted inFeatures
Why Is the Gulf of Maine Warming Faster Than 99% of the Ocean?
The Gulf of Maine’s location at the meeting point of two major currents, as well as its shallow depth and shape, makes it especially susceptible to warming.
Posted inNews
How Did Life Recover After Earth’s Worst-Ever Mass Extinction?
Ocean animals at the top of the food chain recovered first after a cataclysm at the end of the Permian period. The extinction was triggered by events resembling the changes brewing in today’s oceans.
Posted inNews
Peruvian Mountain Birds Take an “Escalator to Extinction”
As the climate warms, tropical birds living in the mountains are retreating to higher elevations to avoid the heat. What happens when they run out of mountain slope to escape to?
Posted inResearch Spotlights
Insect Infestations Alter Forest Carbon Cycle
A hemlock woolly adelgid outbreak in southern Appalachia prompted a transformation in where the forest stores carbon.
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Heat Waves, More Than Coral Death, May Cause Fish to Flee Reefs
A study over a broad swath of the Great Barrier Reef shows that warming waters directly cause fish and invertebrates to leave the reef, making it harder for coral to recover from bleaching events.
Posted inResearch Spotlights
Invasive Freshwater Mussels Drive Changes in Estuary Sediments
The golden mussel has spread quickly in the 30 years since its arrival in South America and is transforming aquatic ecosystems in waterways across the continent.
Posted inFeatures
Dive into Ocean Issues with Sherman’s Lagoon
Sherman’s Lagoon creator talks to Eos about providing light-hearted entertainment while weaving in ocean facts and larger messages about threats to the ocean and its creatures.
Posted inNews
Emperor Penguins’ Huddles Change in Response to Weather
How quickly the penguins huddled when weather worsened provided clues about their feeding success and how climate change may alter the Antarctic biosphere, according to scientists.