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planets

A dark body, which is one of the seas on Titan, is outlined by golden, jagged material on the coastline.
Posted inNews

Waves May Be Crashing on Titan’s Shores

Damond Benningfield, Science Writer by Damond Benningfield 24 July 202424 July 2024

A new study suggests that wind-driven waves could be sculpting the coastlines of the lakes and seas on Saturn’s largest moon.

An orange-red planet on a starry background with concentric rings of light on its right-facing horizon
Posted inNews

Rare “Glory” Possibly Seen on Exoplanet’s Horizon

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 8 April 20248 April 2024

This rainbow-like atmospheric phenomenon depends on a very specific set of circumstances. It is common on Earth and incredibly rare beyond it.

Map of stars in the Milky Way
Posted inNews

Passing Stars Shorten Earth’s Time Horizon

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 19 March 202419 March 2024

Stars in the solar neighborhood could jostle planetary orbits, making it harder to turn back the clock and examine Earth’s orbital or climate history.

An illustration showing the interior of Mercury, including its crust; the mantle, with a red “snow zone” with illustrations of iron snowflakes; and the core.
Posted inResearch Spotlights

Iron Snow Ebb and Flow May Cause Magnetic Fields to Come and Go

by Nathaniel Scharping 2 January 20242 January 2024

Lab experiments find that iron crystals in planetary cores may form in bursts, causing periodic dynamos.

Artist’s rendering of NASA’s Parker Solar Probe during a fly-by of Venus
Posted inNews

Lightning Struck Down as Source of a Venus Whistler

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 13 December 202313 December 2023

Whistlers were a key piece of evidence in favor of Venusian lightning. New measurements question the connection.

Luna de la Tierra
Posted inNews

La Luna es incluso más antigua de lo que los científicos pensaban

by Matt Hrodey 7 December 20237 December 2023

¿Cómo se formó la Luna y cuántos años tiene? La datación más precisa hasta el momento del satélite más grande de la Tierra determinó que es mucho más antigua de lo que se pensaba previamente.

Earth’s moon
Posted inNews

The Moon Is Even Older Than Scientists Thought

by Matt Hrodey 6 November 20237 December 2023

How did the Moon form and how old is it? The most precise dating yet of Earth’s largest satellite found that it is much older than previously thought.

An image of Mars.
Posted inNews

Five Martian Mysteries That Have Scientists Scratching Their Heads

by Matthew R. Francis 2 November 20232 November 2023

Despite centuries of study and many spacecraft visits, the Red Planet still holds secrets. Here are just a few.

A cloud of purple, green, and pink dust with a dark, starry background.
Posted inNews

Rogues’ Gallery Comes in Pairs

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 31 October 202331 October 2023

A new trove of free-floating planets, smaller and paired up more than expected, challenges stellar and planet formation models.

Representación artística de un criovolcán en erupción en Tritón, luna de Neptuno
Posted inNews

La canción de hielo y fuego del criovulcanismo

Erik Klemetti, Science Writer by Erik Klemetti 16 October 202316 October 2023

Las lunas oceánicas del sistema solar exterior nos dan pistas sobre volcanes de hielo, fuentes hidrotermales, y la tentadora posibilidad de habitabilidad.

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Features from AGU Publications

Research Spotlights

Orbiter Pair Expands View of Martian Ionosphere

20 June 202519 June 2025
Editors' Highlights

Coupled Isotopes Reveal Sedimentary Sources of Rare Metal Granites

17 June 202516 June 2025
Editors' Vox

Inside Volcanic Clouds: Where Tephra Goes and Why It Matters

16 June 202512 June 2025
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