The small chunk of rock could be telling us that many of the moon’s largest impacts happened over 4.25 billion years ago.
When Apollo 17 astronauts collected a small rock from the moon more than 50 years ago, they had no way of knowing it would ...
Just after sunrise on Sept. 24, SpaceX launched three space weather spacecraft -- the primary being NASA's IMAP.
The Apollo mission recovered a fragment known as sample 76535, which showed virtually no signs of violent shocks from deep ...