Proxima Centauri recently let loose a blast of radiation, and ground- and space-based telescopes detected the record-setting event at wavelengths ranging from radio to the ultraviolet.
Katherine Kornei
Katherine Kornei is a freelance science journalist covering Earth and space science. Her bylines frequently appear in Eos, Science, and The New York Times. Katherine holds a Ph.D. in astronomy from the University of California, Los Angeles.
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Laser Flashes Shed Light on a Changing Arctic
An ongoing project in northern Alaska is using pulses of laser light to monitor anthropogenic activity, ice quakes, and marine wildlife.
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The Who, What, When, Where, and Why of the Polar Vortex
Here’s a rundown of what this atmospheric phenomenon really is and why it matters.
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Ocean Sensors Record Rare Triple Tsunami near New Zealand
A new suite of DART buoys in the South Pacific Ocean spotted waves set in motion by three tsunamigenic earthquakes that occurred within hours of one another.
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Rare Wintertime Thunderstorms Recorded over the U.S. Gulf Coast
“Thundersnow”—thunderstorm activity accompanying a winter storm—was spotted near southern Texas earlier this year.
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Arctic Lightning Up 300% in One 11-Year Study
The increase may be due to climate change, researchers suggest, but the trend hasn’t been observed in other lightning data sets.
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A Dip in Atmospheric Carbon May Have Facilitated Dinosaur Dispersal
Herbivorous dinosaurs migrated north across Pangea beginning about 214 million years ago, coincident with a downturn in atmospheric carbon dioxide levels.
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Vicuña Poop Nourishes “Dung Gardens” High in the Andes
The excrement delivers nutrients like phosphorus and nitrogen, kick-starting islands of vegetation at the edge of the cryosphere.
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El Monte Everest a veces puede sentirse más bajo que el K2
Las variaciones de la presión atmosférica en la cima del Everest afectan a la disponibilidad de oxígeno, modificando la percepción de la elevación de la cumbre unos cientos de metros.
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Auroral “Dunes” Light Up Earth’s Atmosphere
The auroral feature, first spotted by amateur astronomers in 2015, likely traces high-altitude atmospheric waves.