Although Mercury was geologically active in its early days, today its surface appears almost completely static. This is why ...

Mercury has always been a bit of an oddball planet. With about half the mass of Mars but roughly the size of the Moon, and a ...

Skygazers, mark your calendars because one of the coolest celestial events is coming around again toward the end of February.

Add Yahoo as a preferred source to see more of our stories on Google. An image of a fragment of Ksar Ghilane 022, a meteorite found in the Sahara Desert in 2023 which authors of a new study suspect ...

We've all heard the saying "is Mercury in retrograde?" but what does the famous saying mean? Here is everything to know and how it affects us.

A rare triple conjunction of Venus, Mars and Mercury is happening on the opposite side of the solar system to where Earth is, ...

A six-planet parade — sometimes called a planetary alignment — will adorn the pre-sunrise morning sky on Friday, Aug. 22, with four of them visible to the naked eye. Venus, Jupiter and Saturn will be ...

Researchers suspect that two meteorites found in the Sahara Desert in 2023 may originally have come from Mercury, which would make them the first identified fragments of the solar system’s innermost ...