For decades, we believed there were nine planets in our solar system—until Pluto was reclassified in 2006. But what if ...

A comical planetary beauty contest is described, highlighting the unique traits of each planet: Mercury’s fiery nature, Venus ...

Trans-Neptunian objects (TNOs) are icy bodies that vary widely in size, from large dwarf planets like Pluto and Eris—each ...

Explore Ceres, the largest asteroid in our solar system, and discover its remarkable ancient ocean and ice-rich crust.

Asteroids that orbit close to the Earth inevitably cause us some anxiety due to the even remote possibility of a collision.

Before arriving at the moon, the small satellite mission will use the gravity of the sun, Earth, and moon over several months ...

Geomagnetic storms also cause problems on Earth. The electric currents they create can overload power plants and cause ...

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.