NASA's Parker Solar Probe flew 3.8 million miles above the sun's surface at 430,000 miles per hour, beating its own record.

FILE – This image made available by NASA shows an artist’s rendering of the Parker Solar Probe approaching the Sun. It’s ...

Kessler syndrome could make space exploration and the use of satellites dangerous, or even unfeasible, for many generations.

NASA's Parker Solar Probe made history on Tuesday with a record-breaking flight around the sun, the space agency has ...