Apollo 15 was the fourth American space mission to land men on the moon. On the historic 40th anniversary, we celebrate the often-overlooked voyage. See the full slideshow at LIFE.com.

Lunar rover designed for compact travel, easy set-up. The post uses an authentic photo found in the National Archives of Apollo 15 astronaut James Irwin on the moon standing beside the first lunar ...

Although the historic Apollo 11 mission made do with a 2.5-hour walkabout on the lunar surface, Apollo missions 15, 16, and 17 each had their own lunar buggy to drive around the moon’s powdery ...

A new exhibit at Manhattan's Intrepid Museum, "Apollo: When We Went to the Moon," sends visitors into space with more than 100 rare relics linked to NASA's historic 1969 lunar mission.

Charles "Pete" Conrad and Alan Bean walked on the Moon in 1969 during the Apollo 12 mission. Photo Credit: NASA Alan Shepard and Edgar Mitchell landed on the Moon in 1971 with Apollo 14.

It took Apollo 11 and its astronauts four days, six hours, and 45 minutes to reach the moon. The mission initially aimed to send a three-person crew to orbit the moon, rather than landing on the ...

Three LRV’s were used during Apollo missions (Apollo 15, 16 and 17) in the 1970s. During Apollo 15, the LRV was driven for just over three hours and operated , opens new tab with a stick rather ...

If successful, the flight would represent the first controlled descent to the lunar surface by a U.S. spacecraft since the final Apollo crewed moon mission in 1972, and the first by a private company.