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planetary evolution

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.

A red object with two lobes connected by a thin neck.
Posted inNews

Arrokoth’s Mounds Hint at How Planetesimals Form

Javier Barbuzano, Science Writer by Javier Barbuzano 17 November 202317 November 2023

The most remote world ever seen up close is a mash-up of smaller pieces.

Earth’s moon
Posted inNews

The Moon Is Even Older Than Scientists Thought

by Matt Hrodey 6 November 202313 September 2025

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 flaming asteroid entering a planet’s atmosphere
Posted inNews

Meteor Impact Site Holds 200-Million-Year-Old Atmospheric Snapshot

by Elise Cutts 19 October 202329 November 2023

Minerals formed in short-lived hydrothermal systems set off by a meteor impact in France preserved information about noble gases in the ancient atmosphere.

A spacecraft consisting of a bright central box and two cross-shaped solar panels flies above the jagged landscape of a large asteroid.
Posted inNews

Getting Psyched Up for an Asteroid Mission

Damond Benningfield, Science Writer by Damond Benningfield 4 October 20235 October 2023

The first mission to a metallic asteroid, scheduled for launch on 5 October, could provide clues to the formation of Earth and the solar system’s other inner planets.

An artificially colorized view of a rocky valley between two hills on Mars, with part of the Curiosity rover visible at bottom. The right portion of the image, under blue sky, represents the scene in the morning, and the left portion, under yellow sky, the afternoon.
Posted inResearch Spotlights

Mars Has Far Fewer Minerals Than Earth Does

Rachel Fritts, Science Writer by Rachel Fritts 6 September 20236 September 2023

The development of plate tectonics and life on Earth provided avenues for mineral evolution that did not occur on Mars, resulting in relatively limited mineral diversity on the Red Planet.

A star surrounded by dust
Posted inNews

Astronomers May Have Spotted the Birth of a Planet

Javier Barbuzano, Science Writer by Javier Barbuzano 29 August 202329 August 2023

Lumps of dust are spiraling around a young star 5,000 light-years away. They could be Jupiter-like planets in the making.

A bright yellow circle on a purple background. The circle is surrounded by wispy tails of orange-red clouds coming from a small yellow circle on the left of the image.
Posted inNews

A Planet Is Dramatically Losing Its Atmosphere

Katherine Kornei, Science Writer by Katherine Kornei 24 July 202324 July 2023

Helium that was once part of the atmosphere of the extrasolar planet HAT-P-32b is being ripped away and forming two giant streamers of gas several million kilometers long.

Fine fountains spurt from inside the surface of a frozen moon.
Posted inNews

What Methane Jets Might Tell Us About Enceladus

Nola Taylor Redd, Science Writer by Nola Taylor Tillman 10 July 202310 July 2023

Plumes on Saturn’s moon Enceladus are dumping methane into space—fast. Something must be resupplying the organic compound.

Posts pagination

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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

Making a Map to Make a Difference

11 February 202611 February 2026
Editors' Highlights

Rocky Shore Erosion Shaped by Multi-Scale Tectonics

16 February 202613 February 2026
Editors' Vox

A Double-Edged Sword: The Global Oxychlorine Cycle on Mars

10 February 202610 February 2026
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