Juice aces Callisto flyby test

Seven years from now, in April 2031, ESA's Juice mission will fly past Jupiter's moon Callisto, offering scientists a tantalizing glimpse at the mysterious, cratered alien world.

NASA to hoist its sail: Solar sail mission gets ready for launch

A NASA mission testing a new way of navigating our solar system is ready to hoist its sail into spaceā€”not to catch the wind, but the propulsive power of sunlight. The Advanced Composite Solar Sail System is targeting launch ...