NASA's massive Space Launch System (SLS) Artemis II rocket is an awe-inspiring testament to humanity's ability to think big. The Artemis II core stage stands 212 feet tall and is the largest such rocket that NASA has ever built. But that's only the beginning.

Whether in the real world, depicted in cartoons, or in a hobbyist's back yard, rockets always seem to have fins. Or if not fins, at least some other kind of protrusions along the outside -- they're never just a featureless straight tube, you know?

For more than 60 years, nearly every large rocket used some combination of the same liquid and solid propellants. Refined kerosene was favored for its easy handling and non-toxicity, hydrazine for its storability and simplicity,

NASA's Crawler-Transporter 2 is tasked with moving the Artemis II rocket for the upcoming moon mission. The vehicle holds the Guinness World Record for the heaviest self-powered vehicle. Originally built in the 1960s for NASA's Apollo program, the crawler ...

July 16, 1969, marked a historic day for mankind with the launch of the Apollo 11 mission from the Kennedy Space Center in Florida, sending the first humans to the moon. Even today, NASA and companies like SpaceX frequently launch their rockets from the ...

"Work on the rocket and spacecraft will continue in the coming weeks as NASA prepares for rolling the rocket out to the launch pad again later this month ahead of a potential launch in April." When you purchase through links on our site, we may earn an ...

Trump celebrated Artemis II as astronauts including Jeremy Hansen prepare to travel around the moon, the first crewed deep-space mission since 1972.