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SolarStratos Makes History: 9,521 Meters Reached Using Only Solar Power

On Tuesday, August 12, 2025, from Sion Airport in Switzerland, eco-explorer Raphaël Domjan piloted the HB-SXA aircraft to an altitude […]

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Successful Preparatory Flight at 6,589 m!

On the eve of August 1st, the SolarStratos mission achieved a highly successful preparatory flight. Despite less-than-ideal conditions on Thursday, […]

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A Month in Overdrive !

Electric Cars on the Tarmac After the “Planzer electric truck vs. solar-electric plane” challenge at the end of June, it […]

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A full view of the sun!

Flying towards 10,000 m… and beyond You might think solar energy with its infinite potential has become second nature, woven […]

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HGVs and lightweights: duo show to make mobility greener!

Worthy of an action film! On Tuesday 23 June, a spectacular demonstration took place at Payerne airport: an ultra-modern Planzer […]

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A welcome return to sunshine… and to the skies

HB-SXA finds its voice again Latest news: Like the rest of the SolarStratos team, HB-SXA had been eager to return […]

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Ground thrust tests: (very) conclusive

The final tests and adjustments are underway this week at the Swiss Aeropole in Payerne to kick off the preparatory […]

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Reassembled—sleeker and higher-performing than ever!

When Solar Power Reaches New Heights In Paris, the Avant-Garde Foundation brought together adventurer-author Sylvain Tesson and solar pioneer Raphaël […]

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Getting Serious: Conversations with a light touch

Podcasts are in full bloom this spring! A podcast can tackle weighty issues and major challenges — AND retain a […]

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Sun is fun, Mr President!

As storm clouds gather over the United States, one striking graph has caught Raphaël Domjan’s attention. The data underscores the […]

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Raphaël Domjan in ‘28 Minutes’ on ARTE

  ARTE’s ‘28 Minutes’ magazine looked at the aviation of tomorrow on Thursday 6 February. Elisabeth Quin invited @Raphaël Domjan […]

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Towards a high-flying 2025!

Three landmark moments The entire SolarStratos team wishes you an inspiring and fulfilling 2025! Our year promises to be high-flying… […]

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