Earth
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EarthScientists Say: Geyser
Geysers are underground springs with vents to the surface. When the water gets heated from nearby magma, the geyser blows.
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EarthWhy we should stop ignoring the life stories of minerals
All pure diamonds are the same mineral. But they didn’t form the same way. One scientist thinks it’s time to talk about the life stories of such rocks.
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ClimateDisappearing sea ice could disrupt Arctic’s food web
When sea ice goes missing in the Arctic, every part of the ecosystem feels the effects.
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ClimateThese teens have some ideas for stopping climate change
If you could do one thing to stop climate change, what would it be? We asked some of the finalists at the 2019 Regeneron Science Talent Search.
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ClimateWet and wild 2018 is officially fourth-hottest year
Record rains and heat ravaged different parts of the world in 2018.
By Jeremy Rehm -
Science & SocietyStudents strike to spur adults into climate action
Students worldwide are demanding action on climate change. Coordinated school strikes were slated to take place around the world on March 15.
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ClimateScientists Say: Waterspout
A whirlwind over land is just a whirlwind. But over water, a whirlwind becomes a waterspout.
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EarthEarth’s core may have hardened just in time to save planet’s magnetic field
Earth’s inner core began to solidify within the past 565 million years, a study finds. That could explain why the planet’s magnetic field did not collapse.
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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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AnimalsIs ocean acidification knocking the scents out of salmon?
In more acidic water, salmon don’t seem to recognize the smell of danger. Will their populations take a nosedive as carbon-dioxide levels rise?
By Beth Geiger -
EarthEarth’s permafrost is heating up
Climate change is warming Earth’s permafrost — and in some places thawing it. This could lead to massive releases of planet-warming greenhouse gases.
By Sid Perkins