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Mars

Photo of a Martian crater.
Posted inEditors' Highlights

Geophysics Sheds Light on Early Martian Water and Habitability

by Michael M. Sori 15 April 202511 April 2025

A new study uses inversions of orbital gravity and magnetic field data to argue for the presence of ancient, long-lasting hydrothermal systems on Mars.

An illustration of a space telescope in front of a purple galaxy
Posted inResearch & Developments

NASA Science Faces an “Extinction-Level Event” with Trump Draft Budget Proposal

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 11 April 20255 May 2025

The initial draft of President Donald Trump’s budget request proposes devastating cuts to NASA’s science research, future space missions, and field centers.

Diagram from the study.
Posted inEditors' Highlights

Martian Magmas Live Long and Prosper

by Mariek E. Schmidt 10 April 20259 April 2025

The depths, longevity, and potential to generate silicic compositions of magma chambers are linked to crustal temperature, which varies across Mars and over its geological history.

Big chamber where scientists were able to conduct the mud experiments
Posted inNews

Salt May Be Key to Martian Mudflows

by Larissa G. Capella 9 April 2025

Mars probably has mud volcanoes, and salt might be the ingredient that keeps the flow going.

Diagram of the Insight lander and graphs from the study.
Posted inEditors' Highlights

Come on Feel the Noise: Machine Learning for Seismic-Wind Mapping on Mars

by Germán Martinez and Beatriz Sánchez-Cano 1 April 202527 March 2025

Wind vibrations measured by NASA’s InSight mission seismometer are mapped into wind speed and direction to detect major annual weather patterns and open new possibilities for planetary instrumentation.

A reddish planet appears with a blue ocean covering most of its upper half
Posted inNews

Buried Sediments Point to an Ancient Ocean on Mars

Katherine Kornei, Science Writer by Katherine Kornei 26 March 202526 March 2025

Ground-penetrating radar data collected by the Zhurong rover reveal gently sloping sediments in Mars’s northern lowlands that hint at a shoreline.

A gif of images from Mars that show distant mountains gradually being blocked from view by blowing red dust
Posted inResearch Spotlights

Martian Dust Will Be a Health Hazard for Astronauts

by Rebecca Dzombak 14 March 202514 March 2025

Prolonged exposure to the Red Planet’s regolith, which contains carcinogens and toxic metals, could pose respiratory threats and increase chronic disease risk.

Photo of Mars' surface.
Posted inEditors' Highlights

Explaining Mars’ Mysteriously Magnetic Crust

by Sonia Tikoo 13 March 202513 March 2025

Fluid-rock interactions on ancient Mars may have produced abundant magnetic minerals that preserved unusually intense records of the planet’s now-extinct magnetic field.

Landslides in Hebes Chasma on Mars.
Posted inThe Landslide Blog

Landslides in Hebes Chasma, Mars

by Dave Petley 13 March 202513 March 2025

The Landslide Blog is written by Dave Petley, who is widely recognized as a world leader in the study and management of landslides. I rarely write about landslides on other planetary bodies, primarily because this is outside of my comfort zone. However, the European Space Agency (ESA) image below popped up on my feed this […]

A side-by-side image of Earth and Mars.
Posted inEditors' Highlights

Mars and Earth: A Tale of Two Energy Budgets

by Xi Zhang 9 January 20259 January 2025

The first view of Mars’ latitudinal radiant energy budget reveals stark contrast with Earth’s energy distribution, offering new insights into each planet’s unique energy dynamics.

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