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unsolved mysteries

Researcher at an observation tower in a plot where the towers will be installed
Posted inNews

Testing the Resilience of the Amazon

by Sofia Moutinho 10 November 202222 December 2022

A mega-experiment in Brazil will evaluate how tropical rain forests absorb carbon as emissions increase.

Researchers study banded iron formations in Karijini National Park, Western Australia.
Posted inNews

A Day in the Life Used to Be 17 Hours

by Emily Shepherd 10 November 202211 November 2022

The Moon was a lot closer to Earth 2.46 billion years ago, and the shorter distance contributed to shorter days.

Swirling cloud bands in Jupiter’s northern hemisphere
Posted inNews

Could Jupiter’s Heat Waves Help Solve a Planetary Energy Crisis?

Tim Hornyak, Science Writer by Tim Hornyak 9 November 202217 February 2023

Infrared observations reveal that Jupiter’s upper atmosphere is much warmer than models predict. The discovery may be a clue to finding missing heat sources in other giant planets.

World map
Posted inEditors' Highlights

Machine Learning Looks Anew at Isotope Ratios in Oceanic Basalts

by Paul Asimow 25 October 202224 October 2022

While past attempts to define isotopic endmembers and assign them a geodynamic significance ended in controversy, a machine-learning clustering algorithm offers a solution to this classical problem.

Australia’s remote Nullarbor Plain.
Posted inNews

A Mysterious Dome Reveals Clues to Australia’s Miocene History

by Nathaniel Scharping 17 October 202217 February 2023

The Nullarbor Plain has been relatively untouched by geological forces, leaving traces of the continent’s deep past.

Three globes showing deep mantle structures in shades of red (hot structures) and blue (cold structures), with shading in each color family indicating depth. The first globe represents the mantle at 200 million years ago. The second shows the mantle at 100 million years ago. The third shows the present-day mantle. Superimposed atop the mantle structures are gray outlines of where a new model shows the continents were at each time. These globes show Asia and Australia on the left and the Pacific Ocean on the right.
Posted inNews

Billion-Year Rewind Tracks Supercontinents and Mantle Structures

by Alka Tripathy-Lang 12 October 20224 August 2023

Scientists have traced past pathways of tectonic plates back a billion years using computer models, with intriguing results. Incorporating geologic data as a check on model output, however, has proven tricky.

Computer-generated visualization of solar plasma interacting with Earth’s magnetic field.
Posted inFeatures

Space Raindrops Splashing on Earth’s Magnetic Umbrella

by Laura Vuorinen, Adrian LaMoury, Emmanuel Masongsong and Heli Hietala 7 October 202218 July 2023

Though not as damaging as extreme space weather events, showers of plasma jets hit Earth’s magnetic shield every day—yet we’re only beginning to understand their effects.

An optical astronomy image shows hundreds of stars in shades of blue, white, yellow, and red, with a dark band of dust running horizontally across the image. The stars are a range of sizes, from bright blue spots to no more than pinpricks.
Posted inNews

Massive Stars May Commit Grand Theft Planet

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 23 September 202223 September 2022

New simulations show that planets around young, massive stars may have been captured or stolen rather than homegrown.

Artistic interpretation in which part of Earth is seen from above, and a bright trail of light pierces clouds and ends in what looks like an explosion
Posted inNews

Impact Crater off the African Coast May Be Linked to Chicxulub

Katherine Kornei, Science Writer by Katherine Kornei 19 September 202213 October 2022

The underwater crater, spotted serendipitously in commercial observations of seafloor sediments, is believed to have formed at roughly the same time as the famous Cretaceous-Paleogene impact event.

Imagen aérea en blanco y negro de una tormenta espiral sobre el sureste de los Estados Unidos. La imagen muestra puntos brillantes que son las concentraciones lumínicas de las ciudades en la zona.
Posted inNews

Un nuevo enfoque para un misterio sin resolver en la economía climática

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 19 September 202221 September 2022

¿Tienen los cambios de temperatura impactos económicos duraderos? Un truco “ingenioso” que identifica tendencias climáticas nos lleva un paso más cerca a abordar esta vieja pregunta en la economía climática.

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Features from AGU Publications

Research Spotlights

Proposed Experiment Could Clarify Origin of Martian Methane

12 May 202512 May 2025
Editors' Highlights

First Benchmarking System of Global Hydrological Models

7 May 20257 May 2025
Editors' Vox

Decoding Crop Evapotranspiration

6 May 20256 May 2025
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