Live coverage: NASA confirms successful first flight of Mars helicopter

The rollout of the 322-foot-tall rocket took fewer than 12 hours after first motion, which occurred at about 12:20 a.m. EDT (0420 UTC). NASA hopes to launch the crewed test flight to the Moon no earlier than April 1.

A Russian-built satellite hosting an array of X-ray telescopes is awaiting launch Friday from the Baikonur Cosmodrome in Kazakhstan on a mission to measure the mass and distance of colossal clusters of galaxies throughout the universe.

Running a day late, a United Launch Alliance heavy-lift Delta 4 rocket thundered away from Cape Canaveral early Sunday, boosting NASA’s $1.5 billion Parker Solar Probe into space on a daring seven-year mission to “touch the sun” with repeated trips through the star’s blazing outer atmosphere.