When we think of ice on Mars, we typically think of the poles, where we can see it visibly through probes and even ground-based telescopes. But the poles are hard to access, and even more so given the ...

A Martian volcano once thought to be the result of a single eruption turns out to have a much more complex past. Orbital imaging and mineral data show it developed through multiple eruptive phases, ...

Volcanic activity on Mars has existed in the past. The most recent was likely 50,000 years ago. Olympus Mons, the largest volcano on Mars, hasn't shown signs of activity for 25 million years. Volcanic ...

A 2025 satellite photo captures the stark contrast between the barren Poás volcano and the surrounding Costa Rican jungle. The volcano's super-acidic lake provides the perfect analog for studying how ...

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Scientists compare volcanic cones on Earth and Mars to explain how gas-rich magma forms scoria cones. Spacecraft observations and Earth analog sites provide evidence of similar eruptive processes.

A new look at an ancient volcanic blast on Mars suggests that the Red Planet was much more Earth-like billions of years ago, with abundant surface water and a relatively thick atmosphere, scientists ...

Time now for our science news roundup from Short Wave, NPR's science podcast. I'm joined by the show's two hosts, Regina Barber and Emily Kwong. Hello, hello. REGINA BARBER AND EMILY KWONG: Hey, Ailsa ...