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 ...

All planets are made of gas, ice, rock and metal, and models of how planets form usually assume that these materials don't ...

Above Venus, the second-brightest planet should be Jupiter and then high at the top of the sky will be Mars, which should be ...

Stars are born in clouds of hydrogen gas and dust called nebulae. Stars produce energy by nuclear fusion. Hydrogen gas atoms fuse together to form helium atoms. A lot of heat is produced in the ...

Above Venus, the second-brightest planet should be Jupiter and then high at the top of the sky will be Mars, which should be brighter than it normally is and have a distinctive pinkish color.

Above Venus, the second-brightest planet should be Jupiter and then high at the top of the sky will be Mars, which should be brighter than it normally is and have a distinctive pinkish color.

After Friday's spectacle, a "planet parade" of this size won't appear in the night sky for several years, experts say.

Seven planets will be visibly in the night sky on Feb. 28. Mercury, Venus, Jupiter, and Mars will be visible with the naked eye. Neptune and Uranus are both out, too, but you’ll need a telescope ...