NASA readies for crucial rehearsal ahead of its upcoming moon launch

As NASA prepares to send astronauts around the moon, a critical dress rehearsal on Monday will reveal whether its rocket is ...

This is Countdown, CNN’s newsletter covering NASA’s first time sending humans to deep space in over 50 years

Sign up for CNN Science’s pop-up newsletter covering NASA’s Artemis II mission, which will take four astronauts on a 10-day journey around the moon and back.

NASA's Artemis II countdown rehearsal unfolds amid record cold on Florida's Space Coast

NASA's Artemis II mission reached a critical milestone this week as teams conducted a wet dress rehearsal of the Space Launch ...

SpaceX Crew-12 launch date to be moved up. What to know about mission

NASA hopes to accelerate the launch of a mission with SpaceX known as Crew 12 after 4 other astronauts on a previous mission ...