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poop

Image taken by Mars Curiosity Rover of the Martian surface showing its parallel wheel tracks (center, spaced 9 feet apart) in red Martian regolith. In the center of the image, the regolith appears to be fine grained. On both sides, slopes are studded with boulders and cobbles of varying shades of red and gray black. The regolith in the foreground is scattered with many angular red or gray cobbles. The gray Martian sky forms the backdrop with red hills in the distance.
Posted inNews

Fungi, Fertilizer, and Feces Could Help Astronauts Grow Plants on the Moon

by Alka Tripathy-Lang 1 December 20251 December 2025

A new study offers tantalizing evidence that filamentous fungi extending from roots, along with treated astronaut waste, could provide sufficient scaffolding to help plants grow in planetary regolith.

A penguin projectile-pooping on ice near water
Posted inNews

Pungent Penguin Poop Produces Polar Cloud Particles

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 22 May 202522 May 2025

The discovery highlights how penguins and other polar seabirds help shape their environments, even as they are under threat from climate change.

A pile of drying dung cakes sits beside trees and a paved road.
Posted inNews

Burning Cow Dung Emits an Inordinate Amount of Air Pollution in India

by Tom Brown 9 December 20249 December 2024

Dried cow dung, a main source of household cooking fuel for many in rural India, releases more particulate matter across the country than wood and other biofuels.

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.

在这张江错的照片中,多云的天空在背景中的低矮山丘上投下阴影。中景的湖水呈现灰蓝绿色的色调。前景中,湖岸上生长着一簇簇棕褐色的小草,红色沙地上点缀着棱角分明的深色鹅卵石。
Posted inNews

哺乳动物的粪便保存了青藏高原的人类和气候历史

by Alka Tripathy-Lang 27 September 202427 September 2024

沉积物中的地球化学标记,包括来自人类和动物粪便的有机分子,帮助科学家们追寻吐蕃帝国的兴衰。

In this photograph of Jiang Co, a cloudy sky casts shadows over low hills in the background while the lake water, in the midground, features gray-blue-green tones. Spiky tufts of brown grass grow on the shores in the foreground, with dark angular cobbles studding reddish sand.
Posted inNews

Mammal Droppings Preserve Human and Climate History on the Tibetan Plateau

by Alka Tripathy-Lang 11 December 202327 September 2024

Geochemical signatures in sediment, which includes organic molecules from human and animal poop, help scientists track the rise and fall of the Tibetan Empire.

A scientist wearing a safety vest and a blue hard hat squats alongside a stream, taking notes in a notebook. The stream cuts through a glacier covered in dark gray sediment.
Posted inNews

Microbe Goo Could Help Guide the Search for Life on Mars

by Grace van Deelen 8 December 20238 December 2023

Sticky substances secreted by microbes may help create landforms on Earth. And new research shows that these substances are more preserved in iron-rich sediment. Mars is decidedly iron-rich (it’s the Red Planet, after all), so the new study adds to evidence that microbe goo could help researchers explain landform creation there. “I think this is […]

Llamas walking along a rocky landscape in front of a retreating glacier in Cordillera Blanca, northern Peru.
Posted inNews

How Llama Poop Is Helping an Andean Community Adapt to Melting Glaciers

by Sofia Moutinho 9 November 202317 November 2023

Reintroducing these animals can enrich barren soils and potentially reduce water contamination, a study shows.

A group of penguins stand on ground streaked with yellow-white droppings. The sea is in the background.
Posted inNews

Penguin Poop May Flush Iron into the Southern Ocean

by Carolyn Wilke 23 May 202323 May 2023

Nutrients from the seabirds’ guano fuels the growth of carbon-storing phytoplankton, but penguin populations have plunged in the past 4 decades.

A photo angled from above of a small white bird and a white egg in a nest of twigs.
Posted inNews

Harpy Eagles Concentrate Precious Nutrients in the Amazon

Adityarup Chakravorty, freelance science writer by Adityarup Chakravorty 10 May 202325 May 2023

Amazon soils are usually low in the nutrients that plants covet, but harpy eagles can create local hot spots with their poop and prey.

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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

Which Countries Are Paying the Highest Price for Particulate Air Pollution?

28 January 202628 January 2026
Editors' Highlights

Cows, Coal, and Chemistry: The Role of Photochemistry in Methane Budget

27 January 202623 January 2026
Editors' Vox

Bridging the Gap: Transforming Reliable Climate Data into Climate Policy

16 January 202616 January 2026
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