NASA’s Apollo missions brought back moon rock samples for scientists to study. We’ve learned a great deal over the ensuing decades, but one enduring mystery remains. Many of those lunar samples show ...
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 you purchase through links on our site, we may earn an affiliate ...
Results that may be inaccessible to you are currently showing.
Hide inaccessible results