A database of every location around the planet holding returned lunar samples from the Apollo missions.

The astronauts would return samples and help test spacefaring capabilities for a future Mars mission.

One mission was originally planned to return samples by 2008, but was canceled following a review of the program.

It is hoped that a later mission could then return samples from sites identified as probably containing remains of life.

They placed scientific instruments there and returned lunar samples to Earth.

We've since returned samples from the Moon, though, and there is not a hint of commercially interesting diamonds there.

In 1976, Luna 24 landed several hundred meters away and successfully returned samples.

He participated in the scientific examination of the Apollo program returned lunar samples up until 1971.

It brings to an end the sorry story of this mission, which promised to return rocky samples from Mars' biggest moon.

Are they really going to return samples to Earth?