BepiColombo is slowly uncovering more and more fun facts about Mercury as it continues its preliminary mission. One of the ...

Mercury stands stationary at 3 A.M. EDT amid the stars of Cancer. The solar system’s smallest planet will now start sliding westward, or retrograde, appearing to “fall” back toward the Sun as it moves ...

As the planet closest to the Sun, Mercury has it rough. Not only is it the smallest planet in our solar system, but Mercury's crust is also fractured and sheared in several places. There are also ...

TOI-6894 is now the smallest star known to host a transiting giant planet, with a radius 40% smaller than that of any previous such host. Prof. Jamila Chouquar, who was an astronomer at ULiege at the ...