• About
  • Sections
  • Topics
    • Climate
    • Earth Science
    • Oceans
    • Space & Planets
    • Health & Ecosystems
    • Culture & Policy
    • Education & Careers
    • Opinions
  • Projects
    • ENGAGE
    • Editors’ Highlights
    • Editors’ Vox
    • Eos en Español
    • Eos 简体中文版
    • Print Archive
  • Science Policy Tracker
  • Blogs
    • Research & Developments
    • The Landslide Blog
  • Newsletter
  • Submit to Eos
  • AGU.org
  • Career Center
  • Join AGU
  • Give to AGU
  • About
  • Sections
  • Topics
    • Climate
    • Earth Science
    • Oceans
    • Space & Planets
    • Health & Ecosystems
    • Culture & Policy
    • Education & Careers
    • Opinions
  • Projects
    • ENGAGE
    • Editors’ Highlights
    • Editors’ Vox
    • Eos en Español
    • Eos 简体中文版
    • Print Archive
  • Science Policy Tracker
  • Blogs
    • Research & Developments
    • The Landslide Blog
  • Newsletter
  • Submit to Eos
Skip to content
  • AGU.org
  • Career Center
  • Join AGU
  • Give to AGU
Eos

Eos

Science News by AGU

Support Eos
Sign Up for Newsletter
  • About
  • Sections
  • Topics
    • Climate
    • Earth Science
    • Oceans
    • Space & Planets
    • Health & Ecosystems
    • Culture & Policy
    • Education & Careers
    • Opinions
  • Projects
    • ENGAGE
    • Editors’ Highlights
    • Editors’ Vox
    • Eos en Español
    • Eos 简体中文版
    • Print Archive
  • Science Policy Tracker
  • Blogs
    • Research & Developments
    • The Landslide Blog
  • Newsletter
  • Submit to Eos
Katherine Kornei, Science Writer

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.

A lump of glass
Posted inNews

Glassy Nodules Pinpoint a Meteorite Impact

Katherine Kornei, Science Writer by Katherine Kornei 5 August 20215 May 2022

Researchers working in Chile’s Atacama Desert have collected thousands of “atacamaites” that suggest a meteorite struck the region roughly 8 million years ago.

Earth with stars in the background.
Posted inNews

Thousands of Stars View Earth as a Transiting Exoplanet

Katherine Kornei, Science Writer by Katherine Kornei 22 July 202110 January 2023

Researchers have identified more than 2,000 stars whose past, present, or future vantage points afford a view of Earth passing directly in front of the Sun, a geometry useful for pinpointing planets.

Asteroids in space
Posted inNews

A Remarkably Constant History of Meteorite Strikes

Katherine Kornei, Science Writer by Katherine Kornei 13 July 20214 October 2021

Researchers dissolve chunks of the ancient seafloor to trace Earth’s impact history and find that colossal clashes between asteroids don’t often trigger an uptick in meteorite strikes.

Planets near a star
Posted inNews

Gap in Exoplanet Size Shifts with Age

Katherine Kornei, Science Writer by Katherine Kornei 21 June 202128 April 2022

Smaller planets are scarcer in younger systems and larger planets are lacking in older systems, according to new research that analyzed hundreds of exoplanets.

Close-up of a chain of salps
Posted inNews

Species of Feces Help Phytoplankton Feed Itself

Katherine Kornei, Science Writer by Katherine Kornei 2 June 202118 January 2023

The unicellular plants more readily take up iron in the presence of salp feces than in krill feces, an experiment in Antarctica reveals.

An enormous stellar flare erupts from Proxima Centauri in this artist’s representation.
Posted inNews

Record-Setting Flare Spotted on the Nearest Star to the Sun

Katherine Kornei, Science Writer by Katherine Kornei 24 May 202128 April 2022

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.

Sunrise over snow.
Posted inNews

Laser Flashes Shed Light on a Changing Arctic

Katherine Kornei, Science Writer by Katherine Kornei 18 May 202114 May 2024

An ongoing project in northern Alaska is using pulses of laser light to monitor anthropogenic activity, ice quakes, and marine wildlife.

Ice-covered trees line a road.
Posted inNews

The Who, What, When, Where, and Why of the Polar Vortex

Katherine Kornei, Science Writer by Katherine Kornei 12 May 202129 March 2022

Here’s a rundown of what this atmospheric phenomenon really is and why it matters.

A yellow DART buoy being lowered overboard
Posted inNews

Ocean Sensors Record Rare Triple Tsunami near New Zealand

Katherine Kornei, Science Writer by Katherine Kornei 29 April 202116 March 2022

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.

Artist’s rendering of a thunderstorm occurring during a winter snowstorm
Posted inNews

Rare Wintertime Thunderstorms Recorded over the U.S. Gulf Coast

Katherine Kornei, Science Writer by Katherine Kornei 6 April 20212 September 2022

“Thundersnow”—thunderstorm activity accompanying a winter storm—was spotted near southern Texas earlier this year.

Posts pagination

Newer posts 1 … 10 11 12 13 14 … 27 Older posts
A view of a Washington, D.C., skyline from the Potomac River at night. The Lincoln Memorial (at left) and the Washington Monument (at right) are lit against a purple sky. Over the water of the Potomac appear the text “#AGU24 coverage from Eos.”

Features from AGU Publications

Research Spotlights

Strong Tides Speed Melting of Antarctic Ice Shelves

8 September 20258 September 2025
Editors' Highlights

Smallholder Farmers Face Risks in China’s Push for Modern Agriculture

9 September 20259 September 2025
Editors' Vox

Experienced Researcher Book Publishing: Sharing Deep Expertise

3 September 202526 August 2025
Eos logo at left; AGU logo at right

About Eos
ENGAGE
Awards
Contact

Advertise
Submit
Career Center
Sitemap

© 2025 American Geophysical Union. All rights reserved Powered by Newspack