Embarking from the Vehicle Assembly Building to Launch Pad 39B at NASA's Kennedy Space Center in Florida, the 11 million-pound (5 million kilograms) stack will be transported at a speed of about 1 mph (1.6 km/h along a 4-mile (6.4 kilometers) route — a journey that will take up to 12 hours and be streamed live on NASA's Youtube channel.

A packed launch calendar over the coming weeks and months underscores the accelerating pace of global spaceflight.

Cosmic connoisseurs will soon have another way to consume all the rocket launches, spacewalks and other celestial wonders they desire. NASA and Netflix have announced that all of the U.S. space agency's live coverage is set to soon debut on one of the ...

Standing no more than about 70 feet tall, sounding rockets are much smaller than an average spacecraft that may launch on an orbital flight from major spaceports For comparison, SpaceX's famous two-stage Falcon 9 rocket – one of the world's most active ...

The Space Launch System rocket is set to roll out Saturday, before the Feb. 6 target launch date. It's the final phase of ground testing for the Artemis program, which aims to return to the moon and lay the groundwork for Mars missions.