After completing their mission on the Moon, the Apollo astronauts returned to the Command Module (CM), which was orbiting the Moon while the Lunar Module (LM) was on the surface.

NASA's Apollo program was an enormous effort to get humans to the moon. This program marked the last time humans landed on the moon's surface. Here are noteworthy missions.

Apollo 8, the first manned mission to the moon, entered lunar orbit on Christmas Eve, December 24, 1968. That evening, the astronauts–Commander Frank Borman, Command Module Pilot Jim Lovell, and ...

For many, it's common knowledge that the Apollo 11 mission successfully landed on the moon, but the technology that got them there was way before its time.

Where the astronauts sat in the Apollo Lunar Module may have profoundly impacted the way the experience of walking on the Moon affected them.

The Apollo-Soyuz Test Project brought Soviet cosmonauts and NASA astronauts together in the first international human spaceflight.

James A. Lovell Jr., right, and Fred W. Haise Jr., two of the three Apollo 13 crew members, appeared at a news conference in Cape Kennedy, Fla., before their ill-fated journey to the moon ...

On its face, the Apollo 11 quarantine protocol looked sensible. But the new research suggests that NASA's "planetary protection" efforts were largely for show.

Once America's most experienced astronaut, Apollo 13's Jim Lovell, who died at 97, was the first to visit the moon twice.