NASA scrubbed its Artemis I test flight to the moon due to engine issues but will try again Friday. The flight is uncrewed but NASA hopes to send people back to the moon on future flights.
The space agency's long-awaited Artemis I mission will have to wait until at least Friday, after a problem with one of the SLS rocket's engines was discovered.
NASA is set to launch a rocket that will carry its first human-rated capsule into lunar orbit since the Apollo era. NASA hopes the scheduled launch will be a springboard for a return to the moon.
Monday, NASA plans to launch a new rocket and capsule to the moon. If all goes well, the next mission will send people back to lunar orbit for the first time in 50 years.
NASA's Apollo missions already sent astronauts to the moon from 1969 to 1972. But scientists say there's still lots of good science to do there. The moon also could be an ideal stepping stone to Mars.
The Artemis I mission is uncrewed, but that doesn't mean the spacecraft is empty. Lots of mementos are making the trip, along with manikins that will help NASA prepare to send humans back to the moon.
NASA plans to test launch its newest rocket next week — one it hopes will eventually take astronauts back to the moon. But the rocket's big price tag has some critics skeptical about its future.
NASA released a sound from the black hole at the center of the Perseus galaxy cluster. What you'll hear is pressure waves emitted from the black hole causing ripples in the star cluster's hot gas.