A 1,300-pound NASA satellite will crash back to Earth in an expected milestone that will bring to an end its 14 years of orbiting our planet.

Nearly 14 years after it was launched in 2012, NASA says a 1,300-pound satellite is expected to come crashing back to Earth on Wednesday.

"By reviewing archived data from the mission, scientists study the radiation belts surrounding Earth, which are key to predicting how solar activity impacts satellites, astronauts, and even systems on...