Apollo 13: Houston, We've Got a Problem

Astronaut Russell L. Schweickart, lunar module pilot, stands in "golden slippers" on the Lunar Module porch during his extravehicular activity on the fourth day of the Apollo 9 Earth-orbital missio...

In the early morning hours of April 15, 2014, the Moon enters the Earth’s shadow, creating a total lunar eclipse.

The five F-1 engines of the huge Apollo/Saturn V space vehicle's first (S-IC) stage leave a gigantic trail of flame in the sky above the Kennedy Space Center seconds after liftoff.

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

By combining years of LEND data, scientists see mounting evidence of hydrogen-rich areas near the Moon’s south pole, strongly suggesting the presence of frozen water.

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, ...

A view of the Apollo 15 Command and Service Modules (CSM) in lunar orbit as photographed from the Lunar Module (LM) just after rendezvous. 

Apollo 16 was the fifth moon landing of Project Apollo, and the 10th manned mission in the Apollo program. It was the second mission to utilize a Lunar Rover (Lunar Roving Vehicle, LRV) during luna...

A close-up view of a footpad and surface sampler with scoop (arm, out of frame) on the Surveyor 3 spacecraft which was photographed by the Apollo 12 astronauts during their second extravehicular ac...

A view of the Apollo 9 Lunar Module (LM), "Spider", in a lunar landing configuration, as photographed from the Command and Service Modules (CSM) on the fifth day of the Apollo 9 Earth-orbital missi...

In the fall of 2011, the Lunar Reconnaissance Orbiter (LRO) mission released its original Tour of the Moon, a five-minute animation that takes the viewer on a virtual tour of our nearest neighbor i...

Astronaut Alan B. Shepard Jr., prime crew commander of the Apollo 14 mission, uses a trenching tool during a simulation of a traverse on the lunar surface.

Overall view of the Mission Operations Control Room in the Mission Control Center, Building 30, on the first day of the Apollo 10 lunar orbit mission. 

A close-up view of a portion of a "relatively fresh" crater, looking southeast, as photographed during the third Apollo 15 lunar surface extravehicular activity (EVA), on Aug. 2, 1971, at EVA Stati...

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.

NASA's LADEE mission came to an end as the spacecraft executed a planned de-orbit into the surface of the Moon at nearly three thousand, six hundred miles per hour.

This view from the Apollo 11 spacecraft shows the Earth rising above the moon's horizon.

Carrying astronauts Neil A. Armstrong and Edwin E. Aldrin, Jr., the Lunar Module (LM) “Eagle” was the first crewed vehicle to land on the Moon. 

This animation shows the last three orbits of the Gravity Recovery and Interior Laboratory (GRAIL) mission, with views of the impact site. 

Astronauts James A. Lovell Jr. (left) commander, and Fred W. Haise Jr., lunar module pilot, carry out a simulation of a lunar traverse at Kilauea, Hawaii, site.

The scenes in the video are so dramatic that you may find yourself reaching out to pick up a rock and becoming restless to walk among the lunar peaks.

The huge, 363-feet tall Apollo 17 (Spacecraft 114/Lunar Module 12/Saturn 512) space vehicle is launched from Pad A., Launch Complex 39, Kennedy Space Center (KSC), Florida, at 12:33 a.m. (EST), Dec...

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

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...

Astronaut John Young, who walked on the Moon during Apollo 16 and commanded the first space shuttle mission, has passed away at the age of 87.