While Mercury was quite active in its early days, it has been perceived as dead for a long time because of the static appearance of its surface.

We’re in the thick of the last Mercury retrograde of 2025. Our planet of the mind and mouth, communication and commerce began its retrograde journey on November 9. Mercury will station direct on ...

Mercury is a cold and desolate planet that appears to have little surface, no sign of water, and little atmosphere that can be observed. Wikimedia Commons A European-Japanese space mission will reach ...