In the crowded early Solar System, young planets frequently collided and reshaped each other. But Mercury stood out. It formed unusually close to the Sun. Mercury’s days are longer than its years. It ...

Mercury doesn't give up its secrets easily. The smallest planet in our solar system is also one of the most extreme—a sun-scorched, metal-rich world with a puzzling magnetic field and lavas unlike ...

Mercury has long baffled astronomers because it defies much of what we know about planet formation. A new space mission ...

BepiColombo will arrive in 2026 to uncover the planet Mercury, and unravel how a planet as small, dense, and in such an odd ...