New evidence suggests that the Moon may still be tectonically active.
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Ammonia Ice Deposits on Pluto Hint at Recent Cryovolcanism
This discovery is the latest in a growing stack of evidence pointing to the presence of an ammonia-rich water ocean beneath Pluto’s icy crust.
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Hiroshima Bomb Created Asteroid Impact–Like Glass
The glass rained from the sky as the bomb annihilated the Japanese city.
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Seismic Clues to Surging Glaciers
Measuring seismic waves passing through a glacier suggests that not only is liquid water playing a role in periodic surging but the water is channeled into cracks from across the ice.
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Congress Hears Biodiversity Warning During a Charged Hearing
At a testy congressional hearing, leading experts confronted attacks on the science.
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Historic Solutions to Sea Level Rise May Help Modern Communities
Earthen mounds helped ancient Dutch settlers thrive in coastal flood zones. Could historical engineering help us fight against rising seas?
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New Stamps Tell a Wild and Scenic River Story
The U.S. Postal Service has issued a new set of Forever postage stamps that feature evocative photos of some of the rivers protected by the U.S. National Wild and Scenic Rivers System.
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Farm Ponds Sequester Greenhouse Gases
Despite runoff from nitrogen-rich fertilizer, agricultural ponds act as powerful sinks for nitrous oxide.
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New Book Examines the Legacy of Apollo
As the 50th anniversary of the Apollo 11 lunar landing nears, a new book looks back on the race to the Moon.
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Bill Would Create a Wildlife Corridors System to Protect Species
In the wake of a recent United Nations report about threats to biodiversity, congressional legislation aims to protect wildlife that faces habitat loss, degradation, and fragmentation.