Get the facts on this planet of extremes. Orbiting the Sun at a distance of 4.5 billion kilometres - more than 30 times further out than the Earth - Neptune is a dark, icy world. Receiving just one ...

NASA has just made a groundbreaking discovery—a new planet beyond Neptune that wasn’t there before! This mysterious find could change how we understand our solar system and the universe itself.

Scientists using a telescope in Hawaii have discovered a never-before-seen dwarf planet lurking within the ring of icy bodies beyond the orbit of Neptune. The small new world -- temporarily named ...

Asteroids sharing their orbits with the planet Neptune have been observed to exist in a broad spectrum of red color, implying the existence of two populations of asteroids in the region ...

A quick guide to the planet Neptune, which is composed mainly of water. It has many moons and the fastest winds in the solar system. They blow up to 2000km per hour. NOTE: This clip was factually ...

We have discovered thousands of exoplanets in the last few decades, while the number of planets in the Solar System has remained at eight – but our discovery of more might not yet be over.

A planetary alignment, or a "planet parade," according to the internet ... align Friday when Mercury joins Mars, Jupiter, Uranus, Neptune, Venus and Saturn. But not all of them will be easy ...

The seven-planet alignment will happen on Friday, Feb. 28. Seven planets align Friday when Mercury joins Mars, Jupiter, Uranus, Neptune, Venus and Saturn, according to BBC Sky at Night Magazine.

of [Uranus and Neptune]." Breaking space news, the latest updates on rocket launches, skywatching events and more! He called this hypothetical world "Planet X." "In some ways, Pluto's more of a ...

Mercury, Venus, Mars, Jupiter, Saturn, Neptune and Uranus could all be visible ... Venus will appear as the brightest planet in the sky, near the Pisces constellation. Mercury will be in the ...

All seven planets will be visible this time around, meaning Venus, Mars, Jupiter, Saturn, Mercury, Neptune and Uranus. (Earth, of course, is the eighth planet, and poor Pluto was demoted in 2006 ...