• 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 view of blue water and snow- and vegetation-covered landmasses seen from far above Earth’s surface.
Posted inNews

New Eyes on One of the Planet’s Largest Submarine Landslides

Katherine Kornei, Science Writer by Katherine Kornei 22 December 202522 December 2025

Researchers have mapped the ancient Stad Slide off the coast of Norway to better understand what triggered it, and the hunt is on for the tsunami it might have unleashed.

A pale gray rock shows an impression of multiple curved lines.
Posted inNews

The Long and the Weak of It—The Ediacaran Magnetic Field

Katherine Kornei, Science Writer by Katherine Kornei 9 December 20259 December 2025

A roughly 70-million-year interval of anomalously weak magnetic field during the Ediacaran period could have triggered atmospheric changes that supported the rise of macroscopic life.

Dark-colored broken tree stumps rise out of the water on a beach with a large tree-covered rock in the background.
Posted inNews

When Cascadia Gives Way, the San Andreas Sometimes Follows

Katherine Kornei, Science Writer by Katherine Kornei 12 November 202512 November 2025

Roughly half of the earthquakes that occurred along the southern Cascadia subduction zone over the past 3,000 years were temporally associated with earthquakes along the northern San Andreas fault.

Satellite image of Antarctica
Posted inNews

Satellite Data Reveal Changing Lakes Under Antarctic Ice

Katherine Kornei, Science Writer by Katherine Kornei 4 November 20254 November 2025

Radar altimetry observations have pinpointed 85 active subglacial lakes, shedding light on how water moves beneath the Antarctic Ice Sheet.

The narrow entrance to Stanton’s Cave, about 40 meters above the Colorado River
Posted inNews

An Asteroid Impact May Have Led to Flooding near the Grand Canyon

Katherine Kornei, Science Writer by Katherine Kornei 22 October 202522 October 2025

There’s remarkable synchronicity between the timing of a paleolake in what is today Grand Canyon National Park and the formation of nearby Barringer Meteorite Crater.

Pieces of gray rock are embedded in a small plastic disk and held by a hand wearing a blue glove.
Posted inNews

A Flash, a Boom, a New Microbe Habitat

Katherine Kornei, Science Writer by Katherine Kornei 17 October 202517 October 2025

After an asteroid struck Finland long ago, microscopic life colonized the impact site within a few million years, new research reveals.

Layers of beige-colored rock with a vertical band of darker-colored rock. A yellow notebook appears at the bottom of the image.
Posted inNews

Spiky Sand Features Can Reveal the Timing of Ancient Earthquakes

Katherine Kornei, Science Writer by Katherine Kornei 30 September 202530 September 2025

Icicle-shaped features known as sand dikes form during ground shaking. New work reveals how these features can be used to date long-ago earthquakes.

Artist’s rendering of Earth’s horizon from space with an asteroid entering the atmosphere
Posted inNews

Submerged Crater near Europe Tied to an Impact

Katherine Kornei, Science Writer by Katherine Kornei 20 September 202515 December 2025

New subsurface imaging and rock samples suggest that Silverpit Crater formed from an impact that occurred roughly 45 million years ago.

Gray rocks appear against a dark sky, with a bright star in the background.
Posted inNews

A Survey of the Kuiper Belt Hints at an Unseen Planet

Katherine Kornei, Science Writer by Katherine Kornei 16 September 202516 September 2025

An analysis of more than 150 objects in the far reaches of the solar system suggests that a planet more massive than Mercury could be lurking beyond the orbit of Pluto.

An expanse of white snow and brown rock is seen from above.
Posted inNews

A Burst of Subglacial Water Cracked the Greenland Ice Sheet

Katherine Kornei, Science Writer by Katherine Kornei 28 August 202528 August 2025

When a lake beneath the Greenland Ice Sheet drained, its water burst through the ice sheet’s surface. This surprising event may have affected the movement of a nearby glacier.

Posts pagination

1 2 3 … 28 Older posts
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.

Features from AGU Publications

Research Spotlights

An Ecosystem Never Forgets

19 December 202519 December 2025
Editors' Highlights

Frictional Properties of the Nankai Accretionary Prism

11 December 20259 December 2025
Editors' Vox

Hydrothermal Circulation and Its Impact on the Earth System

3 December 20253 December 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