
Earth
To understand how ‘night-shining’ clouds form, scientists made one themselves
A rocket, a bathtub’s worth of water and a high-altitude explosion reveal how water vapor cools the air to form shiny ice-crystal clouds.
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A rocket, a bathtub’s worth of water and a high-altitude explosion reveal how water vapor cools the air to form shiny ice-crystal clouds.
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A composite made up of fine-scale vegetation maps from different years lets researchers track the story of plant loss and regrowth around Los Angeles.
The weakening of Earth's magnetic field beginning around 42,000 years ago correlates with a cascade of environmental crises, scientists say.
In a Yucatan nature park, engineered genes influence nectar production, affecting ants’ and maybe pollinators’ attraction to the wild cotton plants.
Fin whale calls can penetrate into Earth’s crust, offering scientists a new way to study the properties of the ocean floor.
After a recent bump in illicit CFC-11 pollution, emissions of the ozone-destroying chemical are back down to pre-2013 levels.
The flood, which killed at least 30 people, may have been caused by a collapsing glacier or a landslide, with climate change possibly playing a role.
Evidence of early life may be harder to preserve than pseudofossils — structures that form abiotically but resemble living remnants.
High-speed imagery shows the formation of an electrical connection between opposing currents, offering new insight into how these flashes form.
Rock rising from more than 600 kilometers deep at the Mid-Atlantic Ridge may play a more active role in plate tectonics than thought.
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