Oceans
- 			 Animals AnimalsCause of mass starfish die-offs is still a mysterySea stars off the U.S. west coast started dying off en masse in 2013. Scientists are still struggling to figure out the cause. 
- 			 Climate ClimateFizzled 2014 El Niño fired up ongoing monster El NiñoThe ongoing El Niño, one of the strongest on record, got a heat boost from a 2014 event that failed due to unfavorable winds. 
- 			 Animals AnimalsScientists find a crab party deep in the oceanA trip to check out the biodiversity off the coast of Panama revealed thousands of crabs swarming on the seafloor. 
- 			 Ecosystems EcosystemsHeat may outpace corals’ ability to copeCorals may soon lose their ability to withstand warming waters. 
- 			 Climate ClimateChanging climate: 10 years after ‘An Inconvenient Truth’In the 10 years since "An Inconvenient Truth," climate researchers have made progress in predicting how rising temperatures will affect sea level, weather patterns and polar ice. 
- 			 Oceans OceansReaders question ocean healthOcean plastics, ant behavior, pollution solutions and more in reader feedback. 
- 			 Climate ClimateSea levels could rise twice as fast as previously predictedSea level rise from Antarctica’s melting ice could accelerate faster and sooner than previously thought. 
- 			 Animals AnimalsIn the Coral Triangle, clownfish figured out how to shareIn the Coral Triangle in Southeast Asia, an area of rich biodiversity, clownfish species often share anemones, a new study finds. 
- 			 Climate ClimateMaximum size for Arctic sea ice hits a new lowWarm temperatures helped drop the Arctic sea ice maximum to the smallest size on record. 
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- 			 Oceans OceansSwirls of plankton decorate the Arabian SeaThe dinoflagellate Noctiluca scintillans is taking over in the Arabian Sea, posing a potential threat to its ecosystem. 
- 			 Climate ClimateHurricane frequency dropped during 17th century ‘Little Ice Age’Atlantic hurricane activity fell around 75 percent when the sun dimmed from 1645 to 1715, a new analysis of shipwrecks and tree rings suggests.