Apollo 13: Houston, We've Got a Problem

Astronauts: James A. McDivitt, David R. Scott, and Russell L. Schweickart Stresses the testing of the Lunar Module, the spacecraft that will land men on the Moon. Featured are sequences of launch, ...

Video of the moon taken by the NASA GRAIL mission's MoonKam camera aboard the Ebb spacecraft on Dec. 14, 2012

This view of Earth was photographed by the Apollo 15 crewmen as they sped toward the fourth lunar landing.

Astronaut Neil Armstrong blowing out candles on his birthday cake in the Lunar Receiving Laboratory Crew Reception Area after the Apollo 11 mission.

The Apollo 10 astronauts Thomas P. Stafford (center), John W. Young (left) and Eugene A. Cernan (waving) are greeted by Donald E. Stullken (lower left) of the Manned Space Center's (MSC) recovery o...

The ascent stage of the Apollo 10 Lunar Module (LM) is photographed from the Command Module prior to docking in lunar orbit. 

The Moon orbits the Earth in the months prior to the August 21, 2017 total solar eclipse.  

An excellent view of the unmanned Surveyor 3 spacecraft which was photographed during the Apollo 12 second extravehicular activity (EVA) on the surface of the moon.

Pictured from left to right, the Apollo 9 astronauts, James A. McDivitt, David R. Scott, and Russell L. Schweickart, pause in front of the Apollo/Saturn V space vehicle that would launch the Apollo...

A scanning electron microscope photograph of iron crystals which grow in a small vug or cavity in a recrystallized breccia (fragmented rock) from the Apollo 15 Hadley-Apennino lunar landing site.

The phase and libration of the Moon for 2018, at hourly intervals. Includes supplemental graphics that display the Moon's orbit, subsolar and sub-Earth points, and the Moon's distance from Earth at...

Since the 1960s, scientists have suspected that frozen water could survive in cold, dark craters at the moon's poles.

Apollo 10 westward view across Apollo Landing Site 3 in the Central Bay.

The Apollo 7/Saturn IB space vehicle is launched from the Kennedy Space Center's Launch Complex 34 at 11:03 a.m. (EDT), Oct. 11, 1968.

Every Moon phase in 2021.

Visualization of the location of all six Apollo landing sites on the Moon, along with the historical Moon phase. 

Not everyone gets to become a part of history, but mathematician Billie Robertson is one of the lucky ones.

Footage of the recovery of the Apollo 8 crew

In December of 1968, the crew of Apollo 8 became the first people to leave our home planet and travel to another body in space.

Framed by palm trees in the foreground, the Apollo 9 (Spacecraft 104/Lunar Module 3/ Saturn 504) space vehicle is launched from Pad A, Launch Complex 39, Kennedy Space Center (KSC) at 11 a.m. (EST)...

The Command and Service Module (CSM) for Apollo 11 move from 134 work stand and final mate to service-module-to-launch-module adapter (SLA).

Dunned in his space suit, Command Module (CM) pilot Michael Collins does a final check of his communications system before the boarding of the Apollo 11 mission. 

A recording of the Apollo 8 astronauts reading from the book of Genesis.

NASA's Lunar Reconnaissance Orbiter Camera (LROC) acquired a high resolution image of the Apollo 11 landing site.

Astronaut Alfred M. Worden, command module pilot of the Apollo 15 lunar landing mission, floats in space outside the spacecraft during his trans-Earth extravehicular activity (EVA).