"I'll always remember the first time I saw those iridescent clouds and was sure at first it was some color artifact." ...

Curiosity, a set of NASA 's robotic "eyes" on the Red Planet, recorded 16 minutes of so-called noctilucent clouds flying ...

If clouds are heavy, why don’t they just fall to the ground? There’s one key concept behind this. Meteorologist Robb Ellis explains.

The shimmering clouds can be spotted in Mars’s southern hemisphere, where Curiosity is located, during the early fall period. Observations each year have helped researchers to learn more about ...