The latest image release from ESA's Mars Express takes us over two ruptures in the Martian crust that form part of the mighty Valles Marineris canyon system.
Space Exploration
Jul 20, 2022
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For National Park Service fisheries biologist Jeff Arnold, it was a moment he'd been dreading. Bare-legged in sandals, he was pulling in a net in a shallow backwater of the lower Colorado River last week, when he spotted ...
Ecology
Jul 6, 2022
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10
After years of severe drought compounded by climate change, the water level in Lake Powell, the second-largest reservoir on the Colorado River, has dropped to just 24% of full capacity and is continuing to decline to levels ...
Earth Sciences
May 4, 2022
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33
Jaguars are the only species of big cat found on the American continent. They range as far south as Argentina, and once roamed as far north as the Grand Canyon in the U.S. Today the northernmost breeding population is in ...
Ecology
Apr 19, 2022
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8
Tumbleweeds drift along the Rio Grande as sand bars within its banks grow wider. Smoke from distant wildfires and dust kicked up by intense spring winds fill the valley, exacerbating the feeling of distress that is beginning ...
Environment
Apr 14, 2022
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After decades of drought, water levels in Lake Powell, the second-largest human-made reservoir in the United States, have shrunk to its lowest level since it was created more than 50 years ago, threatening millions of people ...
Planetary Sciences
Apr 11, 2022
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8
With steep walls and deep valleys, the Grand Canyon in the western United States or the massive gorges that saw through the margins of the Tibetan Plateau are some of the most awesome and spectacular landforms on the planet. ...
Earth Sciences
Feb 23, 2022
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On a recent 11-day raft trip through the Grand Canyon, geologists gathered evidence in hope that it would allow them to peer billions of years into the past. Using a relatively new technique, they were able to estimate the ...
Earth Sciences
Nov 29, 2021
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245
Modern society benefits when people understand science concepts. This knowledge helps explain how cryptocurrency works, why climate change is happening or how the coronavirus is transmitted from person to person.
Education
Nov 9, 2021
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12
Sites containing some of the world's most treasured forests, including the Yosemite National Park and Indonesia's Sumatra rainforest, have been emitting more heat-trapping carbon dioxide than they have absorbed in recent ...
Environment
Oct 28, 2021
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