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Arecibo Observatory

Edgard Rivera-Valentín stands at the far left of a group of members of the Boricua Planeteers advocacy group
Posted inFeatures

Edgard Rivera-Valentín: Boricua Planeteer

by Kimberly M. S. Cartier 25 July 202225 July 2022

Inspired by the science infrastructure in their own backyard.

Mercury’s south pole to 80°S, with an Arecibo radar image in pink indicating locations of water ice.
Posted inResearch Spotlights

Evidence of Extensive Ice Deposits Near Mercury’s South Pole

by Terri Cook 20 April 201810 January 2023

New radar observations and refined illumination maps reveal uneven water ice deposits twice the size of those found around the planet’s north pole, suggesting the source may be a recent comet impact.

A new hypothesis explains the radar signature of plasma waves in Earth’s ionosphere
Posted inResearch Spotlights

Mystery of the Ionosphere’s “Gyro Line” Solved

by Mark Zastrow 6 September 201710 January 2023

A new study provides an updated hypothesis to describe a unique radar signature from plasma waves high above Earth, correcting errors that had stood for decades.

Features from AGU Journals

RESEARCH SPOTLIGHTS
JGR: Solid Earth
“New Tectonic Plate Model Could Improve Earthquake Risk Assessment”
By Morgan Rehnberg

EDITORS' HIGHLIGHTS
AGU Advances
“Eminently Complex – Climate Science and the 2021 Nobel Prize”
By Ana Barros

EDITORS' VOX
Perspectives of Earth and Space Scientists
“New Directions for Perspectives of Earth and Space Scientists”
By Michael Wysession


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