The MICROSCOPE mission tested the weak equivalence principle with free-falling objects in a satellite. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

France’s Microscope satellite, carrying a set of ESA high-tech thrusters, lifted off last night from Europe’s Spaceport in Kourou, French Guiana, taking advantage of the same Soyuz launch that took ...

In 2016, a team of French physicists sent an ultra-sensitive, drag-free satellite called MICROSCOPE into space to study a 100-year old theory of Einstein’s that could change everything we know about ...