Scientists may have solved alongstanding mystery in the study of Mercury. For the first time, pieces of the Solar System’s innermost planet could be on Earth, potentially shedding light on a ...

In August 2025, skywatchers will be treated to a planet parade like no other, with six planets and the Moon visible in the ...

Meteorites that emerged from the Sahara desert might be from another resident of our solar system, Mercury. To say Mercury is extreme is an understatement— it’s hot enough to melt lead, after all.

Evidence that rocky planets beyond Jupiter formed as rapidly, and at the same time, as the inner planets could transform our ...