NEW YORK — A NASA spacecraft aims to fly closer to the sun than any object sent before.
The Parker Solar Probe was launched in 2018 to get a close-up look at the sun. Since then, it has flown straight through the sun's corona: the outer atmosphere visible during a total solar eclipse.

The next milestone: closest approach to the sun. Plans call for Parker on Tuesday to hurtle through the sizzling solar atmosphere and pass within a record-breaking 3.8 million miles (6 million kilometers) of the sun's surface.

Register to read this story and more for free.

Signing up for an account helps us improve your browsing experience.

Continue

OR

See our subscription options.

Already have an account? Log in here