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

A bill to ban weather modification in Florida based on conspiracy theories of chemtrails took another step toward becoming law Tuesday.

Researchers report that a great time to see these clouds from Gale Crater, where Curiosity is located, is the early Autumn. Videos from the rover’s MastCam show the clouds changing colors as the night ...