The area near clouds is often classified as ‘clear sky’, but a new study demonstrates the potential biases of misclassifying ...

For example, here’s an image from April 8 last year (above), that confounds all expectations—with clouds over Texas and a clear sky for almost all the rest of the path of totality. Anderson ...

When the skies are clear, however, there is nothing to prevent this heat from escaping directly into space. As a result, ...

The Sun sets differently on Mars. Part of that is due to its distance from the star (an average of 142 million miles versus ...

A recent video created from images captured by Curiosity shows clouds tinted red and green flowing though the sky over Mars.

New images captured by NASA's Curiosity rover show colorful clouds in the sky over Mars. The images were captured by the rover's Mastcam, which NASA's Jet Propulsion Laboratory compared to the rover's ...