Neptune and Uranus are the seventh and eighth planets from the sun, and as such share a lot of the same characteristics. Though they are different colors (Neptune is bluer than Uranus' cyan hue ...

The two most distant planets in our solar system look more like each other than was previously thought, experts have found. Many people think of Neptune as being a rich blue colour, and Uranus ...

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 ...

An alignment of seven planets will be visible in Friday's evening sky. Here's when and where to view the celestial phenomenon from Texas.

Astrophysicists have once again enriched our knowledge of the cosmos with a new discovery: two small planets orbiting ...

According to NASA, multi-planet lineups are visible "every few years," but a seven-planet alignment is particularly uncommon, as each planet's orbit varies, with some moving more quickly and Mercury, ...

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 ...

You can expect to see seven planets align Friday when Mercury joins Mars, Jupiter, Uranus, Neptune, Venus and Saturn. But not all of them will be easy to see, especially with the naked eye.