The South Atlantic Anomaly is a strange phenomenon which causes a weak magnetic field that can knock out satellites and let charged particles reach Earth's surface
The use of a space telescope for eclipse observations reproduces the conditions under which future telescopes would measure atmospheres of transiting exoplanets
SpaceX's Crew Dragon, carrying Robert Behnken and Douglas Hurley, splashed down under parachutes in the Gulf of Mexico off the coast of Pensacola, Florida