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Edition #188 · Monday, October 26, 2026 · 2798 positive stories
Science & Breakthroughs

A 1,000-mile cloud on Mars may reveal physics never seen in nature

Ars Technica Science 2026-10-24
A 1,000-mile cloud on Mars may reveal physics never seen in nature

A long-lasting cloud appears on Mars every morning during spring and summer, stretching over 1,000 miles before disappearing again. The cloud forms near the volcano Arsia Mons and has been observed repeating its cycle for several months. Scientists have not yet found a clear explanation for this phenomenon.

Why it's good news: Scientists are trying to understand an unusual and complex natural occurrence that can potentially reveal new aspects of physics.

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Ars Technica Science
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About Science & Breakthroughs coverage

The science section covers breakthroughs in medicine, physics, biology, and technology. We surface discoveries that expand what humanity can do, from new treatments reaching clinical trials to engineering feats that seemed impossible a decade ago. Every link goes to the original publisher so you can read the full study or press release yourself.

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