The Daily Galaxy on MSN

Mercury may have gotten its polar ice from a single giant impact that changed the entire planet in hours

Mercury’s polar ice deposits may have formed in just one Mercurian day after a giant comet or asteroid slammed into the ...

A Single Asteroid Strike May Have Delivered All of Mercury’s Water, Study Finds

Despite being the closest planet to the Sun, Mercury hosts water ice at its poles. Now scientists may know how it got there.
Delco Times

Astronomer’s Notebook: Mercury, the elusive innermost planet

The most impressive feature on Mercury is the Caloris Basin, a vast, multi-ringed crater over 800 miles across, which is ...