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Earth science

The laser device sits on top of Mount Säntis, shooting a green laser into a cloudy sky.
Posted inNews

How to Bend Lightning with a Laser Beam

by Bill Morris 24 February 202324 February 2023

For the first time, scientists have redirected lightning using a laser beam. And that’s just the start of what’s possible.

Photo of a rock outcrop
Posted inEditors' Vox

The Seven-Ages of Earth as Seen Through the Continental Lens

by Peter A. Cawood and Priyadarshi Chowdhury 24 February 202320 June 2024

The 4.5-billion-year record contained in Earth’s continental crust reveals a seven-phase evolution, from an initial magma ocean to the present-day environment in which we live.

Small, white zircon crystals of various shapes and sizes appear against a black background.
Posted inResearch Spotlights

Prospecting for Copper with Machine Learning and Zircons

Rachel Fritts, Science Writer by Rachel Fritts 23 February 202323 February 2023

Using artificial intelligence, researchers can now identify zircons derived from valuable copper deposits.

Underwater photo of earth-toned stones of various shape, some with moss, and rays of sunshine.
Posted inNews

Decoding the Secrets of Shifting Sediments

by Clarissa Wright 23 February 202324 February 2023

In the small-scale details of grain shape, researchers have found a new way to understand how sediment flows in a river, a process shaping Earth’s landscapes.

A 200-year-old oak tree was removed from a residential yard in De Pere, Wis., due to a split extending to the ground.
Posted inAGU News

New Discoveries in Old Records

by Caryl-Sue Micalizio 22 February 202322 February 2023

Scientists take fresh approaches to seemingly familiar data in timbers and sediments.

Tree rings shown on a cut piece of timber
Posted inFeatures

Finding Climate History in the Rafters of New York City Buildings

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 22 February 20236 October 2025

When renovating in the Big Apple, you might acquire a several-hundred-year-old climate database along with your new kitchen and bath.

An orb-shaped ocean bottom seismometer descending into the sea surface
Posted inResearch Spotlights

Small-Scale Convection Shuffles the Oceanic Lithosphere

Sarah Derouin, Science Writer by Sarah Derouin 21 February 20238 July 2024

Seafloor spreading organized lithospheric minerals into a lattice, but small-scale convection jumbled up the innermost layer.

Three ants crawl on a vine. The ants and the vine are seen in silhouette with a yellow sunset behind them.
Posted inNews

Ants Aren’t Adapting to Warmer Temperatures

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 17 February 202317 February 2023

Foraging in hotter-than-desired temperatures could negatively affect ants’ biology and the forest ecosystems that they support.

Four bolts of lightning strike the ground simultaneously against a purple sky.
Posted inResearch Spotlights

Scientists Can Now Map Lightning in 3D

by Morgan Rehnberg 15 February 202315 February 2023

A new approach enables meter-scale localization of lightning strikes. And it’s already illuminating the basic physics of the phenomenon.

Photo of a hilly, green area with scattered trees.
Posted inNews

Mapping Rwanda’s Trees from Above

by H. Mafaranga 13 February 202314 February 2023

Researchers used both aerial and satellite imagery, as well as machine learning, to map the carbon stock of every overstory tree in Rwanda—the first such inventory in the world.

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Over a dark blue-green square appear the words Special Report: The State of the Science 1 Year On.

Features from AGU Publications

Research Spotlights

How Internal Waves Transport Energy Thousands of Miles Across the Ocean

26 March 202626 March 2026
Editors' Highlights

Revolutionizing Interference Detection to Protect the Silence of the Cosmos

1 April 202626 March 2026
Editors' Vox

The Future of Earth’s Future

24 March 202624 March 2026
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