According to the space agency's tracking, the rock is hurtling through space at more than 21,500 miles per hour.

Apollo astronauts reached speeds exceeding 24,000 miles per hour on their way to the Moon, driven by a rocket that remains the most powerful ever flown. The Saturn V, standing 363 feet tall and ...

Mars didn’t always look like the barren world we see today. Over billions of years, the Sun’s solar wind stripped away much of its atmosphere, helping transform it from a warmer, wetter planet into a ...

NASA's DART mission didn’t just change the orbit of Dimorphos, the asteroid it hit. It changed the orbit of the larger Didymos around the sun.

Here's what scientists have now learned about the DART mission.

CAPE CANAVERAL SPACE FORCE STATION — In the end, poor weather forced Blue Origin on Sunday to scrub its second launch of its New Glenn rocket. It was supposed to send up NASA’s ESCAPADE mission, which ...