Launched in 2018 to get a close-up look at the sun, Parker has since flown straight through its crownlike outer atmosphere, or corona. Scientists hope the data from Parker will help them better ...

Parker is the fastest spacecraft built by humans, and is once again set to hit 430,000 mph (690,000 kph) at closest approach.

FILE - This image made available by NASA shows an artist's rendering of the Parker Solar Probe approaching the Sun. It's designed to take solar punishment like never before, thanks to its ...