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Space & Planets

Pools of briny water likely exist on Mars. Some might even exist in Gale Crater, Curiosity’s landing site, seen here.
Posted inNews

Brine Pools Emerge as a New Place to Search for Life on Mars

Katherine Kornei, Science Writer by Katherine Kornei 29 October 201829 September 2021

Some pools of salty water on the Red Planet could contain enough dissolved oxygen for microorganisms and sponges to survive, new calculations suggest.

Penitentes in the Andes mountains in Chile. Could similar ice spires exist on Europa?
Posted inNews

Huge Blades of Ice May Partially Cover Jupiter’s Moon Europa

Katherine Kornei, Science Writer by Katherine Kornei 23 October 201829 September 2021

Conditions are right for “penitentes” up to 15 meters high to form on the Jovian moon, new research shows. The spires might prevent a lander from exploring Europa’s equatorial region.

The obverse and reverse sides of a new coin commemorating the 50th anniversary of the Apollo 11 moon landing.
Posted inNews

U.S. Mint Unveils Design for Special Apollo 11 Coin

by Randy Showstack 19 October 201815 November 2022

The showcase of a commemorative coin kicks off national celebrations of the Apollo anniversaries.

An enhanced-color image of Mercury
Posted inNews

Mercury Mission Will Map Morphology and Measure Magnetics

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 18 October 201817 January 2023

BepiColombo may launch as early as this weekend. It seeks to unravel the mysteries of Mercury’s geologic and magnetic past and map the small planet’s cratered surface.

Curiosity rover explores the Bagnold Dunes in Gale Crater, Mars
Posted inEditors' Vox

Seeing Mars in a Grain of Sand

by M. G. A. Lapotre 17 October 20183 January 2023

The second phase of Curiosity’s campaign at the Bagnold Dunes brought new observations of windblown sands during Mars’s windy season.

Posted inEditors' Highlights

Energetic Electrons Can Penetrate the Stratosphere

by Viviane Pierrard 17 October 201816 March 2023

Precipitations of electrons with energies greater than 30 kiloelectron volts from the slot region penetrate at low altitude and can contribute to destroy ozone.

false-color ultraviolet image solar storm on 1 August 2010
Posted inScience Updates

How Do We Accomplish System Science in Space?

by Ryan McGranaghan, J. E. Borovsky and M. Denton 15 October 201814 January 2022

Exploring Systems-Science Techniques for the Earth’s Magnetosphere-Ionosphere-Thermosphere; Los Alamos, New Mexico, 24–26 July 2018

Posted inEditors' Highlights

Double Threat to Solar Panels in Space

by D. J. Knipp 4 October 201813 October 2021

Protons accelerated in solar storms and electrons accelerated in geospace storms can reduce space mission lifetimes. What is the likelihood of extreme events during geospace storms?

Artist’s rendering of exomoon candidate Kepler-1625b-i and its planet
Posted inNews

Large Exomoon Likely Orbits a Faraway World

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 3 October 201817 January 2023

This Neptune-sized object would be the first moon discovered to orbit a planet outside the solar system, provided that additional observations continue to support the claim.

Posted inEditors' Highlights

Extreme Space Conditions at Mars: The 10 Largest Electron Events

by Michael W. Liemohn 1 October 201826 October 2021

A solar cycle of data was scoured for the biggest electron energy fluxes seen in the Mars space environment.

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Where Methane is Emitted Matters for Global Burden

18 June 202616 June 2026
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Small-Scale Indian Ocean Dynamics Underpin Marine Ecology and Climate

4 June 20263 June 2026
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