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• Magnetic avalanches power solar flares, finds Solar Orbiter 2026-01-21
  Just as avalanches on snowy mountains start with the movement of a small quantity of snow, the ESA-led Solar Orbiter spacecraft has discovered that a solar flare is triggered by initially weak disturbances that quickly become more violent. This rapidly evolving process creates a ‘sky’ of raining plasma blobs that continue to fall even after […]
• Legs made for a Mars landing  2026-01-21
  To land on the right foot on the Red Planet, European engineers have been dropping a skeleton of the four-legged ExoMars descent module at various speeds and heights on simulated martian surfaces.
• Webb reveals Helix Nebula in glistening detail 2026-01-20
  Image: Helix Nebula (NIRCam image)