A 2.2-billion-year-old crater is Earth’s oldest recorded meteorite impact
The newly dated Yarrabubba crater is found in Western Australia
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News Story
Africa’s ‘Great Green Wall’ could have far-reaching climate effects
Jan 2022
A massive line of vegetation in the Sahel may intensify the West African monsoon, simulations show
Africa’s ‘Great Green Wall’ could have far-reaching climate effects
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An asteroid may have exploded over Antarctica about 2.5 million years ago
Feb 2024
Bits of rock may point to the oldest known midair asteroid disintegration
An asteroid may have exploded over Antarctica about 2.5 million years ago
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California landfills are belching high levels of climate-warming methane
Nov 2019
Airborne remote sensing spots the Golden State’s biggest emitters of the gas from the sky
California landfills are belching high levels of climate-warming methane
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Canada's Crawford Lake could mark the beginning of the Anthropocene
Jul 2023
The proposed geologic epoch denotes when humans began profoundly changing the planet
Canada's Crawford Lake could mark the beginning of the Anthropocene
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Climate change may have changed the direction of the North Pole’s drift
Apr 2021
A mid-1990s change in pole movement coincided with increased glacial melting
Climate change may have changed the direction of the North Pole’s drift
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Fed by human-caused erosion, many river deltas are growing
Jan 2020
Deforestation and river damming are changing the shape of these landforms around the globe
Fed by human-caused erosion, many river deltas are growing
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For some dinosaurs, the Arctic may have been a great place to raise a family
Jun 2021
Fossil baby teeth and bones hint that some dinosaurs reared their young near the North Pole
For some dinosaurs, the Arctic may have been a great place to raise a family
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Giant polygon rock patterns may be buried deep below Mars's surface
Dec 2023
Radar reveals terrain that could shed light on how Mars's climate has changed over time
Giant polygon rock patterns may be buried deep below Mars's surface
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Greenland and Antarctica are gaining ice inland, but still losing it overall
May 2020
The accumulation of ice inland is not happening fast enough to counteract coastal melting
Greenland and Antarctica are gaining ice inland, but still losing it overall