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Rebecca Dzombak

A gif of images from Mars that show distant mountains gradually being blocked from view by blowing red dust
Posted inResearch Spotlights

Martian Dust Will Be a Health Hazard for Astronauts

by Rebecca Dzombak 14 March 202514 March 2025

Prolonged exposure to the Red Planet’s regolith, which contains carcinogens and toxic metals, could pose respiratory threats and increase chronic disease risk.

An iceberg in bright blue water, seen from above
Posted inResearch Spotlights

Massive Antarctic Icebergs May Calve at Random

by Rebecca Dzombak 20 December 20244 April 2025

The first analysis of extreme calving events in Antarctica finds no correlation with climate change, highlighting the significance of common, smaller calving events for ice loss and instability.

Seen from below, a group of bats hang from a rocky cave ceiling. One has its mouth wide open in a yawn.
Posted inResearch Spotlights

Bat Poop Records Fire History

by Rebecca Dzombak 31 October 20244 November 2024

Charcoal stored in preserved guano gives researchers a new way to reconstruct regional fire histories.

从太空看到的南极光(南半球上空的极光)
Posted inResearch Spotlights

太空飓风在南半球盘旋,夏季尤甚

by Rebecca Dzombak 28 August 202428 August 2024

先前对最近发现的空间天气事件的研究主要集中在北半球。新的研究表明,每年有数十次飓风袭击南半球。

Aurora australis (aurora over the Southern Hemisphere) seen from space
Posted inResearch Spotlights

Space Hurricanes Swirl in the Southern Hemisphere, Mostly in Summer

by Rebecca Dzombak 31 July 202428 August 2024

Previous studies of the recently discovered space weather feature focused on the Northern Hemisphere. Dozens hit the Southern Hemisphere each year, new research shows.

图为一个蓝色的潟湖。前景中可以看到一艘蓝色的小船和垂柳的叶子。
Posted inResearch Spotlights

伊朗“生态宝石”安扎利湿地有可能在2060年干涸

by Rebecca Dzombak 1 April 20241 April 2024

为避免干旱,需要更可持续的流域管理和农业措施。

In this photo of a blue lagoon, a small blue boat and the leaves of a weeping willow are in the foreground. On the far side of the water are more boats and several structures with round, pointed roofs.
Posted inResearch Spotlights

Anzali Wetland, Iran’s “Ecological Gem,” May Dry Up by 2060

by Rebecca Dzombak 22 February 20241 April 2024

More sustainable watershed management and agriculture are needed to avoid a desiccated fate.

A row of black volcanic scones in Halema’uma’u in Hawaii eject lava into the air. The background is obscured by smoke from the lava.
Posted inResearch Spotlights

Humans Have Boosted Atmospheric Mercury Concentrations Sevenfold

by Rebecca Dzombak 3 November 20233 November 2023

A new baseline of volcanic contributions to the global mercury cycle reveals how drastically human activities have increased the element’s concentration in the atmosphere.

Une image sous-marine montre un scientifique plongeur forant dans un grand dôme de corail
Posted inResearch Spotlights

La chimie du corail reflète l’expansion économique d’Asie du Sud-Est

by Rebecca Dzombak 22 August 202322 August 2023

Les sols en érosion en raison du développement économique ont transporté des sédiments en mer de Chine méridionale… et jusque dans le squelette corallien.

Satellite view of part of Badwater Basin in Death Valley, Calif., showing meandering river channels running through the arid landscape
Posted inResearch Spotlights

Mud Could Have Made Meandering Rivers Long Before Plants Arrived

by Rebecca Dzombak 31 July 202331 July 2023

New evidence from 1.2-billion-year-old rocks suggests that single, sinuous channels could have formed in muddy floodplain sediments without the stabilizing help of vegetation.

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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

It Takes Three to Model Methane Right

20 August 202620 August 2026
Editors' Highlights

Tectonics and Deglaciation Govern Eastern-Southern Alps at Slow Rates

20 August 202618 August 2026
Editors' Vox

Decoding the Origins of Lightning’s Violent Currents

19 August 202619 August 2026
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