Earth
Study appears to rule out volcanic burps as causing dino die-offs
New data on when massive volcanic eruptions happened do not match when the dinosaur mass extinction took place.
Oceans
Science News for Students articles on oceans
More Stories in Oceans
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AnimalsThe moon has power over animals
The moon is known for its tidal effects. But its light also can exert a powerful influence on animals large and small.
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OceansCool Job: This ecologist is studying an ocean of changes
A young marine ecologist is studying how warming is changing the oceans and what people can do to minimize the harm.
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ClimateReport sums up climate’s already dramatic impact on oceans and ice
Melting glaciers, stronger storms and acidifying oceans are signs of climate change today, a new IPCC report says. Putting a brake on greenhouse emissions could limit how dire things get.
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EarthRecord seaweed belt spanned from Africa to Gulf of Mexico
Blooms of Sargassum seaweed used to form at the mouth of the Amazon River each year. In 2011, they mushroomed in size to where they now span from South America across to Africa.
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TechOcean energy could be the wave of the future
Energy systems that turn the power of ocean waves into electrical energy could be on the horizon — or pumping away near the sea floor.
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OceansOceans’ fever means fewer fish
Warming oceans have caused fish populations to plummet since 1930. In some regions, the number of fish that can be caught without depleting populations has dropped by more than one-third.
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ChemistryShell shocked: Emerging impacts of our acidifying seas
As Earth’s climate changes, the oceans are becoming more acidic. Here’s how oysters and reefs are responding to their acidifying bath.
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AnimalsOcean acidification may ground swimming skates
Fish might seem immune to acidic waters, but check their skeletons. They can be vulnerable and eventually alter how fish behave.
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AnimalsScientists Say: Jellies
Jellies have roamed the seas for 500 million years. Some have stinging tentacles and bell-shaped bodies and are called jellyfish. Others are very different.