The Sun’s outer atmosphere—the corona—only reveals itself during total solar eclipses, which happen about every 18 months on ...

The Proba-3 mission, consisting of two spacecraft that fly in close formation to study the sun, has returned images of the first ever artificial solar eclipse ...

A pair of European satellites have created the first artificial solar eclipses through precise and fancy formation flying.

Twin satellites fly 150 meters apart with millimeter precision, allowing detailed observation of the Sun's corona during long ...