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Sharks, Seagrass, and Stromatolites
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Published October 10, 2020
Australia’s Shark Bay contains the largest beds of seagrasses in the world, as well as some of the oldest lifeforms on Earth.
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Hurricane Delta Aims for the U.S. Gulf Coast
Published October 8, 2020
After making landfall on the Yucatan Peninsula, the category 2 storm was strengthening over warm waters.
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Delta Douses Yucatan
Published October 7, 2020
The category 2 storm made landfall in the Yucatan Peninsula and is expected to strengthen as it approaches the U.S. Gulf Coast.
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Thunderstorms Rumble over the Great Plains
A nocturnal low-level jet stream brings large thunderstorms across the U.S. Midwest each summer.
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Airglow Over the Indian Ocean
The diffuse orange and green bands of light are caused by molecules in the atmosphere that have been energized by absorbing ultraviolet radiation from the Sun.
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The Specter of a Mega-Tsunami in Alaska
Published October 6, 2020
Landsat images helped convince researchers that a slumping mountainside overlooking Barry Arm fjord could pose a tsunami hazard.
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California’s Nightmare Fire Season Continues
Published October 2, 2020
Another stretch of intense heat has reinvigorated the state’s brutal 2020 fire season.
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Coloring the Great Salt Lake
Published October 4, 2020
Colorful, mineral-rich salt flats are nestled between the Promontory Mountains and the Great Salt Lake.
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Sandy Plains in the Arctic
Published October 5, 2020
Unlike the vegetated tundra of its neighboring islands, Bunge Land is a barren sandy plain that also serves as a land bridge.
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Spalte Splits
Published October 1, 2020
In summer 2020, a huge piece of ice split off from the Arctic’s largest remaining ice shelf.
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Superior Fall Colors
Published September 29, 2020
In autumn, the leaves on deciduous trees change colors as they lose chlorophyll, the molecule that plants use to synthesize food.
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Mapping Shallow Seafloors
By combining satellite measurements with ship-based sonar data, researchers are working to fill the gaps in coastal ocean maps.
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Iraq Lakes Bounce Back
Published September 26, 2020
After decades of low water levels, two of Iraq’s popular lakes appear to be filling again.
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The Gambia
Published September 27, 2020
The smallest country in mainland Africa hugs its namesake river.
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Extreme Monsoon Rains in Pakistan
Published September 24, 2020
The 2020 rainy season has caused fatal flooding and crop loss across Pakistan.
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Mud from the Andes Carried by the Amazon
Most of the sediment that flows into the Atlantic Ocean from the mouth of the river comes from thousands of miles upstream.
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