A six-planet alignment or parade will form an arc in the early night sky, peaking in it's visibility Jan. 17-18. We let you ...

A very rare treat is about to grace Earth's night skies.

On February 28 all seven of the other planets in the Solar System will appear in the night sky at the same time in a row. And ...

Diagram of a planet (e.g. the Earth ... Right: How the transit zone of a solar system planet is projected out from the sun. The observer on the green exoplanet is situated in the transit zone ...

Learn about the size, temperature, and colour of each planet, and discover why Pluto is no longer considered a planet.

Our home, planet Earth, is part of a system of bodies that orbit a central star – the Sun. This solar system consists of four inner rocky planets and four outer gas giant planets as well as an ...

The Sun is the largest object in the Solar System. The Sun’s huge gravitational field keeps many other objects - planets, dwarf planets, asteroids and comets - in orbit around it. The Sun and ...