The ozone hole over Antarctica has shrunk by 16% since its peak in 2000, and some suspect it may disappear entirely by midcentury.
JoAnna Wendel
JoAnna Wendel is a freelance science writer and cartoonist. She covers topics ranging from the geology of faraway moons to the behavior of animals in our oceans. She served as a staff writer for Eos from 2014 to 2018, then worked in communications in NASA’s Planetary Sciences Division. JoAnna is now freelancing full time as a writer and artist.
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Focusing the Human Lens on Glacial Outburst Floods
To better prepare mountain communities for possible floods, experts say that it is important to understand the communities themselves.
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Pinatubo 25 Years Later: Eight Ways the Eruption Broke Ground
From the first rapid assessment of a volcano's history to insights on geoengineering, the 15 June 1991 eruption of Mount Pinatubo changed the way we approach and learn from volcanic hazards.
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Did Solar Flares Cook Up Life on Earth?
Scientists have found that "super" solar flares could have warmed the ancient planet and jump-started life.
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Comet with Stunted Tail Hints at How Solar System Formed
Finding out whether just a few or many of this newfound type of rocky object roam deep space should help scientists sort among contrasting scenarios of the solar system's infancy.
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Aging Stars Make New Habitable Zones
Scientists searching for life in the universe now have a new target: the once-icy worlds orbiting red giants.
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Undersea Data Tie Slow Fault Slip to Tsunami-Causing Quakes
Slow events might help scientists better understand when and why tsunami-generating earthquakes occur.
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Ecuador Earthquake Kills Hundreds, Injures Thousands
Ecuador's president declared a state of emergency after a large earthquake shook the country.
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Into the Belly of a Glacier
Ice caving started as a weekend hobby but has now blossomed into a portion of graduate student Kiya Riverman's Ph.D. research.