The controversy endures over Pluto's true status ... Uranus and Neptune, the most recently discovered planets in the solar system at the time, seemed out of sorts. Their orbits didn't add up ...

The ringed gas giant Saturn has officially replaced Jupiter as the planet in our solar system with the most moons. The ...

Here's what to know about the short life of what was, for a single human lifetime, the solar system's smallest planet. Pluto was discovered in 1930 by Clyde Tombaugh, an American astronomer at the ...

This phenomenon known as a "planet parade," will feature Mercury, Venus, Mars, Jupiter, Saturn, Uranus and Neptune all ...

Ceres is a dwarf planet in the asteroid belt between Mars and Jupiter. It's the largest object in the asteroid belt and the closest dwarf planet to Earth.

Venus, Mars, Jupiter, Saturn, Uranus, and Neptune were already visible in the night sky after dusk this month, but Mercury joined them on Feb. 28. While it's common to see a few planets line up in the ...

Dr Shyam Balaji, researcher in astroparticle physics and cosmology at King’s College London, said: “On 28 February a ...

The article humorously personifies each planet in the solar system, comparing their hypothetical driving behaviors to various ...

The unusual celestial event is known as a "planetary parade" when Mars, Jupiter, Mercury, Venus, Saturn, Uranus and Neptune ...

Despite the name, a planetary alignment isn’t when the planets get in a row, it’s when a fair few gather on one side of the ...