A planet's appearance is determined by its composition and atmospheric conditions. Inner planets are rocky due to the Sun's heat, while outer planets contain more gas. Atmospheric gases and surface ...

South African researchers have developed a new cleaning system for solar panels that uses a color-sensing light-to-frequency converter to detect dirt. It can reportedly remove around 95% of the dust ...

Patrick Gerard Joseph Irwin has received funding related to this study from the UK Science and Technology Facilities Council. In many images of the two outer gas giants of the Solar System, Neptune ...

And the earth was without form and void, and darkness was upon the face of the deep. Sometimes, if the night is dark and clear enough, you can look up and see the Milky Way in its arc across the sky.