New NASA Hubble Space Telescope images of the distant planet Neptune show a dynamic atmosphere and capture the fleeting orbits of its satellites. The images have been assembled into a time-lapse movie ...

NASA has selected a new mission to help humanity better understand Earth’s dynamic atmosphere – specifically, ice clouds that form at high altitudes throughout tropical and sub-tropical regions. The ...

For years, Mars seemed like a dry, airless world but new images from orbiters and rovers reveal a thin, dynamic atmosphere. Made mostly of carbon dioxide, it drives fierce dust storms, seasonal ...