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unsolved mysteries

Vientos fríos soplan sobre el glaciar Tsanteleina en Italia.
Posted inNews

Los glaciares se están calentando más lentamente de lo esperado, pero no por mucho tiempo

by Kaja Šeruga 20 January 202620 January 2026

Un conjunto de datos sin precedentes ofrece información sobre el efecto de enfriamiento contraintuitivo de los glaciares a escala global.

A black, tar-covered glass bottle lies on a beach.
Posted inNews

Plastic Debris Helps Oil Residues Reach Farther Across the Ocean

by Grace van Deelen 20 January 202620 January 2026

Scientists matched oil residues found in Florida to a Brazilian spill thousands of miles away.

Cool winds flow over Tsanteleina Glacier in Italy.
Posted inNews

Glaciers Are Warming More Slowly Than Expected, but Not for Long

by Kaja Šeruga 20 November 202521 January 2026

An unprecedented dataset offers insight into the counterintuitive cooling effect of glaciers on a global scale.

The planet Venus appears as a circular shape against a black background, with the right side sharply defined but the far left side fading into shadow. White, gray, and light orange swirling shapes cover the surface, appearing whiter, more linear, and more solid at the top and bottom of the circle but patchier toward the middle, with more patches of gray and light orange.
Posted inResearch Spotlights

Key Driver of Extreme Winds on Venus Identified

Sarah Stanley, Science Writer by Sarah Stanley 19 November 202519 November 2025

A new study suggests that a once-daily atmospheric tidal cycle may be a bigger driver of rapid Venusian winds than previously thought.

Five expedition team members climb an icy surface.
Posted inNews

Pamir Glacier Expedition Returns with High-Elevation Ice Cores

by Grace van Deelen 17 November 202517 November 2025

The three glacial cores will unlock mysteries about past climate and weather patterns in central Asia.

A series of structures that look like electrical poles extend into the distance on an icy surface. The sky above is full of stars and streaked with green aurorae.
Posted inNews

A Weak Spot in Earth’s Magnetic Field Is Going from Bad to Worse

by Tom Metcalfe 10 November 202510 November 2025

This could be bad news for satellites and spacefarers.

Aerial photo of clouds dusting a mountainous landscape.
Posted inNews

New Satellite Data Reveal a Shift in Earth’s Once-Balanced Energy System

by Larissa G. Capella 23 October 202523 October 2025

The Northern Hemisphere is absorbing more sunlight than the Southern Hemisphere, and clouds can no longer keep the balance.

Close-up image of niobium crystals
Posted inNews

To Find Critical Minerals, Look to Plate Tectonics

by Hannah Richter 21 October 202521 October 2025

A study of “weird” Australian rocks suggests stores of niobium rose to the surface during the breakup of the supercontinent Rodinia.

Illustration of plumes erupting from the surface of Enceladus
Posted inNews

Space Radiation Can Produce Some Organic Molecules Detected on Icy Moons

Javier Barbuzano, Science Writer by Javier Barbuzano 14 October 202514 October 2025

As missions prepare to visit ocean worlds like Enceladus and Europa, new findings show scientists must first learn to distinguish between radiation-made organics and those born in a subsurface sea.

Cutaway diagram of seismographic waves passing through the interior of Mars, with a metal core at center
Posted inNews

Scientists May Have Finally Detected a Solid Inner Core on Mars

Javier Barbuzano, Science Writer by Javier Barbuzano 1 October 20251 October 2025

Seismic clues from NASA’s InSight mission suggest that Mars hides a solid inner core, and raise new questions about why the planet’s magnetic field disappeared.

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Features from AGU Publications

Research Spotlights

Denitrification Looks Different in Rivers Versus Streams

16 January 202616 January 2026
Editors' Highlights

Kyanite Exsolution Reveals Ultra-Deep Subduction of Continents

23 January 202622 January 2026
Editors' Vox

Bridging the Gap: Transforming Reliable Climate Data into Climate Policy

16 January 202616 January 2026
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