The iridescent cloud reveals new clues about ice formation in the Martian atmosphere (no little green men, sorry).

Curiosity rover images show iridescent clouds on Mars, helping scientists explore atmospheric and climate dynamics.

Scientists discovered a moth that appears 3D despite having flat wings. Tiny structures on its wings reflect light that ...

Clouds help control Earth’s temperature by trapping heat and reflecting sunlight. They keep the planet warm by holding in ...