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unsolved mysteries

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.

Artistic impression of an orange-colored early Earth
Posted inENGAGE, News

Early Life Learned to Love Oxygen Long Before It Was Cool

by Jennifer Schmidt 16 September 202221 February 2023

Laboratory experiments show that earthquakes may have helped early life evolve in an oxygen-free world.

Posted inEditors' Highlights

Why Does It Rain So Much Over Tropical Land?

by Nicolas Gruber 12 September 202220 December 2022

Analyses of observations show that tropical land receives more rain than its fair share, owing to a proposed negative feedback that is not captured in current climate models.

Posted inResearch Spotlights

New Map of Proposed Mantle-Driven Topography Stirs the Pot

by Rebecca Dzombak 8 September 20224 August 2023

The role the deep Earth plays in creating topography is hotly debated. A new study uses subtle elevation changes around the globe as evidence that the mantle plays a key role in building topography.

A tall jet of lightning extends upward from a bright thundercloud in front of a dark starry sky. The gigantic jet is bright white at the base and then transitions to blue and then to red as it reaches upward. The top of the jet is wider than the base.
Posted inNews

Gigantic Jet of Lightning Mapped over Oklahoma

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 7 September 20227 September 2022

The most powerful gigantic jet ever recorded fortuitously appeared over a sensor array in Oklahoma, enabling scientists to map the structure of the phenomenon for the first time.

A circular hole drilled into Gale Crater on Mars.
Posted inNews

Unraveling the Mystery of a Rare Mineral on Mars

by Clarissa Wright 7 September 20223 January 2023

The discovery of tridymite in Mars’s Gale Crater triggered debate about the rare mineral’s origins. A research team recently suggested a scenario with explosive implications.

One of two fire-generated vortices at the 2021 Dixie Fire
Posted inNews

Chasing Fire Tornadoes for Science

by Emily Shepherd 6 September 20226 September 2022

Recent research suggests fire-generated vortices are always present during wildfires.

Aerial image of a spiral storm over the southern United States
Posted inNews

A New Approach to an Unresolved Mystery in Climate Economics

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 2 September 202226 October 2022

Do shifts in temperature have enduring economic impacts? A “clever” trick identifying climate trends gets us one step closer to addressing this long-standing question in climate economics.

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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

As Wildfires Increase in the West, So Does Suppression Spending

10 June 202610 June 2026
Editors' Highlights

Multi-Scale Fault Roughness Encapsulated in a Friction Law

11 June 202611 June 2026
Editors' Vox

Small-Scale Indian Ocean Dynamics Underpin Marine Ecology and Climate

4 June 20263 June 2026
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