COP28 turns attention to potent methane emissions
Climate talks often revolve around reducing the most dangerous greenhouse gas CO2.
Environment
Nov 21, 2023
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Page 29 - News tagged with atmosphere
Study examines how massive 2022 eruption changed stratosphere chemistry and dynamics
When the Hunga Tonga-Hunga Ha'apai volcano erupted on January 15, 2022 in the South Pacific, it produced a shock wave felt around the world and triggered tsunamis in Tonga, Fiji, New Zealand, Japan, Chile, Peru and the United ...
Earth Sciences
Nov 20, 2023
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NASA's 'flawless' heat shield demo passes the test
A little more than a year ago, a NASA flight test article came screaming back from space at more than 18,000 mph, reaching temperatures of nearly 2,700°F before gently splashing down in the Pacific Ocean. At that moment, ...
Space Exploration
Nov 20, 2023
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Life might be easiest to find on planets that match an earlier Earth
We're inching closer and closer to reliably detecting biosignatures on distant planets. Much of the focus is on determining which chemicals indicate life's presence.
Astrobiology
Nov 17, 2023
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Chemists tackle formation of natural aerosols
City dwellers have long had to contend with smog—that ugly haze that hangs over urban areas—as a result of emissions-producing human activities as diverse as manufacturing, mowing the lawn, driving cars, and even cooking.
Analytical Chemistry
Nov 16, 2023
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Plants that survived dinosaur extinction pulled nitrogen from air, study concludes
Once a favored food of grazing dinosaurs, an ancient lineage of plants called cycads helped sustain these and other prehistoric animals during the Mesozoic Era, starting 252 million years ago, by being plentiful in the forest ...
Plants & Animals
Nov 16, 2023
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Scientists combine climate models for more accurate projections
Researchers from institutions including the Department of Energy's Oak Ridge National Laboratory have created a new method for statistically analyzing climate models that projects future conditions with more fidelity.
Earth Sciences
Nov 16, 2023
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NASA data reveal possible reason some exoplanets are shrinking
A new study could explain the "missing" exoplanets between super-Earths and sub-Neptunes.
Planetary Sciences
Nov 15, 2023
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Virtual observatory provides first look at the solar poles
Scientists are turning to artificial intelligence (AI) to view the sun's poles—or at least produce an educated guess of what the sun's poles might look like, since they've never been observed before.
Astronomy
Nov 15, 2023
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JWST detects water vapor, sulfur dioxide and sand clouds in the atmosphere of a nearby exoplanet
A team of European astronomers, co-led by researchers from the Institute of Astronomy, KU Leuven, used recent observations made with the James Webb Space Telescope to study the atmosphere of the nearby exoplanet WASP-107b. ...
Planetary Sciences
Nov 15, 2023
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