Biochar, a charcoal made from heating discarded organic materials such as crop residues, offers a path to lowering atmospheric carbon dioxide (CO2) at a time when climate scientists warn that urgent action is needed limit ...
Earth Sciences
Nov 6, 2023
1
7
NASA's Kepler spacecraft has discovered most of the confirmed exoplanets that we know of. But its successor, TESS (Transiting Exoplanet Survey Satellite), is catching up. New research announces the validation of eight more ...
Astronomy
Nov 6, 2023
0
8
Alaskans and visitors may be able to see an artificial airglow in the sky created by the High-frequency Active Auroral Research Program during a four-day research campaign that starts Saturday.
Planetary Sciences
Nov 3, 2023
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355
The first journal article about clouds identified by participants of the Cloudspotting on Mars project has been accepted for publication and is now available online. The article, "The Cloudspotting on Mars citizen science ...
Planetary Sciences
Nov 2, 2023
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13
Extreme weather and climate events, such as droughts, heat waves, and rainstorms, pose serious threats to human health, agricultural production, and energy supplies. These events often occur at the same time, and such "compound ...
Earth Sciences
Nov 1, 2023
16
11
With last year's undersea volcano injecting massive amounts of water high into the atmosphere, scientists were bracing for a big Antarctica ozone hole this fall. But it didn't happen.
Earth Sciences
Nov 1, 2023
0
66
After seven years in space and over 4 billion miles traveled, NASA's OSIRIS-REx mission successfully collected and delivered the first U.S. sample from a near-Earth asteroid. Yet, after all this time and travel, the spacecraft ...
Space Exploration
Nov 1, 2023
0
215
Humans have increased the concentration of potentially toxic mercury in the atmosphere sevenfold since the beginning of the modern era around 1500 C.E., according to new research from the Harvard John A. Paulson School of ...
Earth Sciences
Nov 1, 2023
1
46
The oxygen content of seawater has a profound impact on the cycling of bioessential elements and the habitability of Earth. But how and why the marine oxygen landscape (i.e., the spatial pattern of oxygen levels) evolved ...
Earth Sciences
Nov 1, 2023
0
29
With thousands of known exoplanets and tens of thousands likely to be discovered in the coming decades, it could be only a matter of time before we discover a planet with life. The trick is proving it. So far the focus has ...
Astrobiology
Oct 31, 2023
0
33
