Travel through time to witness some of the most remarkable episodes in our solar system's history, uncovering its ancient ...

Astronomers propose a new hypothetical planet, Planet Y, beyond Neptune, based on observed orbital anomalies in the Kuiper ...

The origin of the differing tilts in the orbits of the planets in our solar system may have been revealed through the ...

(WHTM) – When you look into the night sky, you’ll see planes flying by, stars twinkling, and sometimes you’ll see planets. But how many planets are in our solar system and what&#8… ...

A large planet that was ejected from its own solar system is a possible candidate. In the paper, the researchers say that the estimate that this theory has about a 1 in 100 chance of being correct.

There are 8 planets in our solar system. The planets orbit the Sun in elliptical trajectories, and they are all different in size, composition, temperature, and characteristics.

Learn about the different planets in our Solar System. Find out their size, temperature and distance from the Sun in this Scotland Second Level Science article.

Aliens may have been closer to Earth than first thought. New research from NASA reveals that Ceres, the dwarf planet in the ...

Astronomers have discovered the earliest seeds of rocky planets forming in the gas around a baby sun-like star, providing a precious peek into the dawn of our own solar system.

Astronomers have discovered a brand new type of planet outside our solar system that, even in its infancy, is already bigger ...