Layered sedimentary rocks exposed within the craters of Arabia Terra, Mars, recording ancient surface processes. Photo from the Mars Reconnaissance Orbiter High Resolution Imaging Science Experiment.NASA/JPL/University of Arizona
Earth sciences postdoc Ari Koeppel reflects on a decade of discoveries since The Martian hit theaters. Drawing on his own research with NASA missions, Koeppel explains how robotic explorers—not astronauts—have reshaped what we know about Mars and why the red planet remains both a scientific frontier and a political battleground. Read more on The Conversation.