The planet is "crumbling to pieces," shedding the equivalent of Mount Everest’s mass every 30.5-hour orbit and will be ...

A new study indicates that Mercury's core-mantle boundary (CMB) may possess a diamond layer that extends up to 18 kilometers ...

Mercury, our planet of the mind and mouth, is flying out of the abstract, gentle, pastel pools of Pisces and into the ...

According to NASA, the planetary phenomenon will be clearest about 45 minutes before sunrise, low in the eastern sky and appearing near the moon. Venus and Saturn will be the easiest to spot — but for ...

Mercury and Venus retrograde, two of the many celestial events some believe can cause turmoil, ended this month.