NASA’s Space Launch System moon rocket lifts off with 8.8 million pounds of thrust from two powerful solid rocket boosters and four core stage engines. Credit: Michael Cain / Spaceflight Now / Coldlife Photography
NASA’s huge Space Launch System moon rocket finally took off from Florida early Wednesday after a decade in development, sending an unpiloted Orion crew capsule toward lunar orbit on a 25-day test flight to lay a path for astronauts to return to the moon for the first time since 1972.

