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JoAnna Wendel, freelance science writer and illustrator

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.

Posted inNews

Protecting Earth from Solar Storms

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 13 May 201513 October 2021

A task force on space weather recently released a national strategy to reduce damage resulting from solar storms. The plan is now open for public comment.

Posted inNews

Warmer Climate Could Aid Quebec's Wine Industry

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 7 May 20153 March 2023

By 2050, climate change may make regions of northeastern Canada suitable for growing new varieties of wine grapes.

Posted inResearch Spotlights

What Causes Sunspot Pairs?

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 5 May 201518 January 2023

Analysis of magnetic fields on the Sun's surface offers a new clue on why sunspots appear.

Posted inFeatures

Hubble's Legacy: The Pillars of Creation

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 4 May 201510 January 2023

The Pillars of Creation remains to this day Hubble's most iconic view of the cosmos.

Posted inNews

Mercury's Secrets Revealed by Soon-to-Crash Spacecraft

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 30 April 201517 January 2023

From finding water ice on Mercury to discovering magnetic field lines cutting through the planet, NASA's MESSENGER spacecraft has spent its lifetime unveiling Mercury's secrets.

Posted inFeatures

Gazing Toward the Universe's Edge: Hubble's Deep Field Legacy

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 29 April 201510 March 2023

Hubble's sensitive cameras give scientists a chance to witness the birth of galaxies.

Posted inNews

Can Microbes Survive Multiple Trips into the Stratosphere?

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 9 April 201512 April 2022

Searching for life on Mars starts at home, with a balloon launch.

Posted inNews

Ancient Roman Aqueducts Could Spill Climate Secrets

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 19 March 201515 February 2023

Thick layers of mineral deposits that coat the aqueducts could provide a vast pool of information about climate during the Roman Empire.

Posted inNews

Internet Users Act as Earthquake Trackers

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 2 March 201530 August 2022

Armed with Internet connections, smartphones, and Twitter handles, citizens around the world are helping seismologists track earthquakes.

Posted inNews

Tiny Mineral Grains Could Drive Plate Tectonics

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 24 February 20157 July 2025

Scientists turn to granular scales to explain how plate tectonics may have evolved billions of years ago.

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A view of a bridge, with the New Orleans skyline visible in the distance between the bridge and the water. A purple tint, a teal curved line representing a river, and the text “#AGU25 coverage from Eos” overlie the photo.

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