Mercury shares its supertight orbit with a big ring of wandering dust, a recent study suggests. And a cloud of as-yet-undiscovered asteroids likely gave rise to a similar halo in Venus ...

We find that only scenario (4) reproduces the observed structure and location of Mercury’s dust ring. However, the lifetimes of Mercury’s co-orbitals (<20 Ma) ...

The images it sends back from these close encounters, Dr. Rothery said, are an added bonus. He is particularly intrigued by Mercury’s peak ring basins and how their structures could be linked to ...

The spacecraft offered a clear view of Mercury's south pole while completing its fourth of six flybys. ESA / BepiColombo / MTM. A joint European-Japanese spacecraft has made its closest flyby of ...

Mercury is followed by Venus, Earth and Mars, all rocky planets. Earth’s largest neighbor, Jupiter, starts off the outer solar system. Saturn is the second largest planet, with Uranus and ...