Our solar system may have a ninth planet after all, following the declassification of Pluto nearly two decades ago, ...

The James Webb Space Telescope has observed surface ice methanol — a key building block for organic compounds necessary for ...

The solar system also includes the Kuiper Belt and Oort Cloud, which are distant regions filled with small icy bodies and long-period comets. Related: 10 incredible volcanoes in our solar system ...

Researchers have found a candidate for the hypothetical Planet Nine, which could be an undiscovered giant planet way out in ...

Vesta, thought to be the second-largest asteroid in the solar system, could be a piece of an ancient, unknown planet, a new ...

Unlike most asteroids, which are composed of cosmic sediment, Vesta’s surface is volcanic basalt, indicating that it ...

2024 YR4 hails from the middle of the main asteroid belt that hangs out between the orbits of Mars and Jupiter – and it was ...

There are also many in a region beyond Neptune called the Kuiper Belt. The Solar System also contains objects called comets. Comets are similar to asteroids, but are made of ice, dust and rocky ...