Total solar eclipses are rare, but exactly how rare is now up for debate after the European Space Agency debuted the first images today (June 16) from two new satellites that together operate as an ...

A pair of spacecraft have demonstrated ultra-precise formation flying in orbit for the first time, marking a milestone with major implications for both science and future space missions. The European ...

First came Solar Orbiter, the ESA and NASA mission that revealed the sun's poles for the first time in early June 2025. Then came Proba-3, less than a week later. It's another European mission, ...

What's harder than flying a single satellite in Earth orbit? Flying two—right beside each other, at proximities that would normally trigger collision avoidance maneuvers. This is the plan for ESA's ...

A carefully coordinated dance between twin satellites has created the first artificial solar eclipse in space, revealing the sun’s scorching corona in extreme detail. The Proba-3 mission, which ...

The European Space Agency’s Proba-3 mission has achieved something no other mission—or synchronized swimmer—has before: autonomous, precision formation flying in space with millimeter accuracy. ESA’s ...