An international team of researchers has found a mangrove forest living in a freshwater part of the Amazonian delta. In their paper published in the journal Current Biology, the group describes their study of the Amazonian ...
Rapid hydroelectric dam expansion in the Amazon poses a serious threat to Earth's largest and most biodiverse river basin. There are 158 dams in the Amazon River basin, with another 351 proposed; these projects are typically ...
Environment
Feb 17, 2022
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21
As ice sheets began melting at the end of the last ice age, a series of cataclysmic floods called the Missoula megafloods scoured the landscape of eastern Washington, carving long, deep channels and towering cliffs through ...
Earth Sciences
Feb 14, 2022
2
1906
The rapid decline of the Hopewell culture about 1,500 years ago might be explained by falling debris from a near-Earth comet that created a devastating explosion over North America, laying waste to forests and Native American ...
Archaeology
Feb 1, 2022
0
165
Microplastics can deposit and linger within riverbeds for as long as seven years before washing into the ocean, a new study has found.
Environment
Jan 12, 2022
4
236
The first scientific analysis of images taken by NASA's Perseverance rover has now confirmed that Mars' Jezero crater—which today is a dry, wind-eroded depression—was once a quiet lake, fed steadily by a small river some ...
Planetary Sciences
Oct 7, 2021
15
14393
On Earth, river erosion is usually a slow-going process. But on Mars, massive floods from overflowing crater lakes had an outsized role in shaping the Martian surface, carving deep chasms and moving vast amounts of sediment, ...
Planetary Sciences
Sep 29, 2021
3
276
NASA's newest Mars rover may have successfully collected its first rock sample for return to Earth, after last month's attempt came up empty.
Space Exploration
Sep 2, 2021
3
3553
As tectonic plates slip past each other, the rivers that cross fault lines change shape. The shifting ground stretches the river channels until the water breaks its course and flows onto new paths.
Earth Sciences
Jul 8, 2021
0
172
Researchers from Oregon State University say ecological data gathered during a recent low-flow experiment in the Grand Canyon is a key step toward understanding Colorado River ecosystems as the amount of water in the river ...
Earth Sciences
Jun 25, 2021
1
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