Image: Barchan and linear dunes on Mars
On Jan. 16, 2020, the Mars Reconnaissance Orbiter (MRO) captured this image of two types of sand dunes on Mars: barchan and linear dunes.
On Jan. 16, 2020, the Mars Reconnaissance Orbiter (MRO) captured this image of two types of sand dunes on Mars: barchan and linear dunes.
Planetary Sciences
Mar 11, 2024
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Two new images from the NASA/ESA/CSA James Webb Space Telescope's NIRCam (Near-Infrared Camera) and MIRI (Mid-Infrared Instrument) showcase the star-forming region NGC 604, located in the Triangulum galaxy (M33), 2.73 million ...
Astronomy
Mar 11, 2024
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37
We all know that bald eagles like fish. Few of us, however, picture them soaring over grasslands seeking out prairie dog snacks. In a paper published in the Journal of Raptor Research, lead author Courtney Duchardt and co-authors ...
Plants & Animals
Mar 8, 2024
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51
The Great Southern Australian Coastal Upwelling System is an upward current of water over vast distances along Australia's southern coast. It brings nutrients from deeper waters to the surface. This nutrient-rich water supports ...
Earth Sciences
Mar 8, 2024
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Getting climate models to mimic real-time observations when it comes to warming is critical—small discrepancies can lead to misunderstandings about the rate of global warming as the climate changes. A new study from North ...
Earth Sciences
Mar 6, 2024
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323
Strong winds spread the largest wildfire in Texas history across more than 1 million acres of rangeland in the Panhandle, the heart of the state's cattle-producing region, and into Oklahoma in late February 2024. Light precipitation ...
Ecology
Mar 3, 2024
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Rainfall offered some reprieve from the largest wildfire in the history of Texas, officials said Friday, though dry, gusty conditions were expected to return this weekend for a blaze that has killed two people and scorched ...
Environment
Mar 1, 2024
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Global atmospheric methane concentrations have risen steadily since 2006. Growth in agriculture, transportation, and industry are partly to blame, but so too is the rise in biogenic emissions, or emissions from natural sources.
Environment
Mar 1, 2024
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Energy-related carbon dioxide emissions rose to a record level in 2023, but the growth slowed from previous years thanks to continued expansion of clean technologies, the International Energy Agency said Friday.
Environment
Mar 1, 2024
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After many predictions, on September 19, the Australian Bureau of Meteorology formally announced an El Niño for the summer of 2023/2024, several months after it had been declared by other international meteorological agencies.
Environment
Feb 29, 2024
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