Search Results for: Atmosphere
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10,000+ results
- Earth
STEVE and other aurora-like glows perplex scientists with their complex physics
New views of STEVE from citizen scientists keep raising questions about the atmospheric light show — but computer models may offer some answers.
- Climate
COP28 is making headlines. Here’s why the focus on methane matters
Here’s one takeaway from COP28: Deep cuts to methane are essential to meet the Paris Agreement goals. That’s still possible.
- Physics
50 years ago, superconductors were warming up
Superconducting temperatures have risen by about 250 degrees since the 1970s, but are still too cold to enable practical technologies.
- Life
This marine alga is the first known eukaryote to pull nitrogen from air
An alga’s bacterial symbiote has evolved into an organelle that turns atmospheric nitrogen into ammonia, making the alga unique among eukaryotes.
- Life
Bacteria fossils hold the oldest signs of machinery needed for photosynthesis
Microfossils from Australia suggest that cyanobacteria evolved structures for oxygen-producing photosynthesis by 1.78 billion years ago.
- Planetary Science
NASA’s Ingenuity helicopter officially ends its mission on Mars
NASA’s Ingenuity helicopter suffered damage during a recent flight and has ended its mission on Mars after nearly three years on the Red Planet.
- Planetary Science
An asteroid may have exploded over Antarctica about 2.5 million years ago
Tiny spherules of rock found in Antarctic ice may point to the oldest known “airburst,” or midair disintegration of an incoming asteroid.
- Climate
Róisín Commane sleuths out greenhouse gas leaks to fight climate change
From New York City to the Arctic, atmospheric chemist Róisín Commane tries to account for the greenhouse gases in the air.
- Environment
How air pollution may make it harder for pollinators to find flowers
Certain air pollutants that build up at night can break down the same fragrance molecules that attract pollinators like hawk moths to primroses.
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Rethinking how we live with wildfires
Editor in chief Nancy Shute discusses a new approach for managing wildfires that includes collaboration with local and Indigenous communities.
- Health & Medicine
A new U.S. tool maps where heat will be dangerous for your health
The daily updated HeatRisk map uses color coding to show where the health threat from heat is highest and offers tips on how to stay safe.
- Space
Why the 2024 total solar eclipse will be such a big deal
The sun will be very active during the next solar eclipse to cross North America, making it an excellent viewing and scientific opportunity.
