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

Because Alan was seeing the plume toward Northwest Corpus Christi -- near the refineries -- we called Nueces ESD No. 1 chief ...

“Even though the sun has set in Gale Crater, the clouds are high enough in the atmosphere that the sun still shines on them, making them seem to almost glow in the sky,” wrote Alex ...

UFO-shaped cloud displays have appeared over the sky in a rare sight for parts of the UK. Several UFO sightings over northern skies in the UK have previously been explained by these cloud formations.