Artemis II launch livestream: Watch the historic NASA launch live

The countdown is happening now.
 By 
Elisha Sauers
 on 
Sun rising on the horizon behind the Space Launch System rocket
NASA's live coverage of the Artemis II launch countdown begins several hours before the launch window opens at 6:24 p.m. ET April 1, 2026. Credit: NASA / Ben Smegelsky

NASA is set to send four astronauts on a mission around the moon for the first time in more than 50 years, and viewers can watch the launch countdown live on April 1.

Artemis II is a test flight of the U.S. space agency's Space Launch System rocket and Orion capsule. The mission follows Artemis I, the successful uncrewed inaugural voyage of the spacecraft in 2022. 

NASA will stream the launch from Kennedy Space Center in Cape Canaveral, Florida, on its website, social media, and its YouTube channel. Live coverage of filling the rocket's tanks with fuel is expected to begin at 7:45 a.m. ET Wednesday on Youtube. Viewers can watch the event on NASA+, the space agency's free streaming service, starting at 12:50 p.m. ET.


You May Also Like

The broadcast will track the four-person crew — Christina Koch, Victor Glover, Reid Wiseman, and Jeremy Hansen — as they board Orion. The actual two-hour launch window opens at 6:24 p.m. ET.

This mission is designed as a roughly 10-day deep space excursion that will loop around Earth before slingshotting around the moon and returning home. If successful, it would mark a major step toward future missions that aim to land astronauts on the lunar surface and establish a moon base there.

The flight also carries historic milestones. Koch is set to become the first woman to travel to the moon, and Glover the first Black astronaut to do so. Hansen, a Canadian astronaut, would be the first non-American assigned to a lunar mission. Their journey's estimated distance of 248,700 miles also could set a new record for farthest humans have ever traveled from Earth. 

Watch the launch livestream here beginning at 7:45 a.m. ET on Wednesday, April 1.

NASA's live coverage typically includes real-time updates from the firing room, views from the launchpad, and commentary explaining each stage of the countdown. The agency will also provide rolling updates on its official Artemis blog.

The forecast so far shows an 80 percent chance of good weather conditions for launch day. Mission managers are mostly concerned about cloud coverage and high winds. 

If the launch attempt is called off for weather or technical issues, the agency could try again any day through April 6. There is one other launch opportunity at the end of this month on April 30. NASA has declined to provide future launch windows beyond April to the public.

Topics NASA

Mashable Image
Elisha Sauers

Elisha Sauers writes about space for Mashable, taking deep dives into NASA's moon and Mars missions, chatting up astronauts and history-making discoverers, and jetting above the clouds. Through 17 years of reporting, she's covered a variety of topics, including health, business, and government, with a penchant for public records requests. She previously worked for The Virginian-Pilot in Norfolk, Virginia, and The Capital in Annapolis, Maryland. Her work has earned numerous state awards, including the Virginia Press Association's top honor, Best in Show, and national recognition for narrative storytelling. For each year she has covered space, Sauers has won National Headliner Awards, including first place for her Sex in Space series. Send space tips and story ideas to [email protected] or text 443-684-2489. Follow her on X at @elishasauers.

Mashable Potato

Recommended For You
Artemis 2: Next steps for NASA's moon rocket after historic roll to pad
Artemis 2 SLS rocket rollout to Launch Pad 39B on Jan. 17, 2026

Artemis II launches its historic moon mission: See the launch and mission details
Artemis II lifts off

NASA’s Artemis 2 astronauts could head to the moon in a matter of weeks
Commander Reid Wiseman strapping in for an Artemis 2 crew demonstration test

Artemis 2 wet dress rehearsal livestream: Watch the rocket test live
NASA preparing the SLS for Artemis 2

NASA aims for March Artemis 2 launch after test ends early
NASA shifting Artemis 2 launch to March following troublesome wet dress rehearsal

More in Science
How to watch Chelsea vs. Port Vale online for free
Alejandro Garnacho of Chelsea reacts

How to watch 'Wuthering Heights' at home: Margot Robbie and Jacob Elordi's controversial romance now streaming
Margot Robbie and Jacob Elordi embracing in still from "Wuthering Heights"

How to watch New York Islanders vs. Philadelphia Flyers online for free
Matthew Schaefer of the New York Islanders warms up

How to watch Mexico vs. Belgium online for free
Israel Reyes of Mexico reacts

How to watch Brazil vs. Croatia online for free
Vinicius Junior #10 of Brazil leaves

Trending on Mashable
NYT Connections hints today: Clues, answers for April 3, 2026
Connections game on a smartphone

Wordle today: Answer, hints for April 3, 2026
Wordle game on a smartphone

NYT Connections hints today: Clues, answers for April 2, 2026
Connections game on a smartphone

NYT Strands hints, answers for April 3, 2026
A game being played on a smartphone.

The Earth is glowing in new Artemis II pictures of home
One half of the Earth is seen floating in space through the open door of the Orion spacecraft.
The biggest stories of the day delivered to your inbox.
These newsletters may contain advertising, deals, or affiliate links. By clicking Subscribe, you confirm you are 16+ and agree to our Terms of Use and Privacy Policy.
Thanks for signing up. See you at your inbox!