Researchers discover microbial life on ice spires known as penitentes on the arid, sunlight-blasted upper reaches of Llullaillaco, one of the best earthly analogues for Mars.
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Lawsuit Challenges Trump Administration’s Emissions Rollbacks
The suit argues that the administration is failing to curb carbon dioxide emissions as required under the Clean Air Act.
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Earthquakes Shake Up Groundwater Systems
Increased permeability temporarily boosts water flow.
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Moon Sheds Light on Early Solar Spin
Lunar samples reveal that the Sun spun relatively slowly in its first billion years and blasted the Earth and Moon with coronal mass ejections.
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Crystal Clocks Serve as Stopwatch for Magma Storage and Travel Times
Magma stored for 1,000 years in an Icelandic volcano journeyed to the surface in just 4 days.
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Girl Scouts Emphasize STEM Education
With women still underrepresented in STEM fields, experts hope that new Girl Scout badges and other efforts will propel girls to study and enter science and related areas.
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Murders of Environmentalists Have Doubled in 15 Years
Indigenous people defending their lands are particularly at risk, and watchdog groups warn that criminalization of environmental activism is also on the rise.
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July May Turn Out to Be the Hottest Month in Recorded History
If this year’s record-breaking trend continues, we’re on track for 2015–2019 to be the hottest 5 years on record.
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Rivers Are a Highway for Microplastics into the Ocean
New research shows that rivers are the main road for all the plastic pollution that gets into the ocean, including microplastics.
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What Wildfire Smoke Tells Us About Nuclear Winter
A cloud of smoke from 2017 Canadian wildfires was so huge that it self-lofted and stayed in the atmosphere for 8 months. Scientists used it as an example for climate simulations of nuclear warfare.