After its formation, the moon may have been the scene of such immense volcanic activity that its entire crust melted several times and was completely churned through. At that time, the moon orbited ...

The Moon is apparently quite reluctant to reveal its age. Attempts to uncover its secret have yielded estimates that lie several hundred million years apart: While some researchers suggest that our ...

When a NASA scientist finally cracked open a cache of 50-year-old lunar soil, the expectation was to refine old models, not overturn them. Instead, the ancient grains pointed away from a popular story ...

When you gaze up at the Moon from Earth, you are always looking at its near side, with those familiar dark patches, known as maria, that have inspired countless stories over the centuries. So when ...

Before complex life evolved on our planet, volcanoes on the Moon spewed water vapor across the lunar surface that likely still exists as frost and ice in its craters. It could be the perfect drinking ...

Saturn’s distinctive moon Iapetus (eye-APP-eh-tuss) is cryogenically frozen in the equivalent of its teenage years. The moon has retained the youthful figure and bulging waistline it sported more than ...

It’s hard to imagine scientists failing to examine every corner, crevice, crack, and any other measurable attribute of Moon rocks returned by Apollo missions in the 50 years those rocks have sat on ...