A 2014 satellite image captured a rare glimpse of a massive, eerily circular ring of clouds that formed slap-bang in the ...

Have you ever wondered how clouds stay in the sky? Here's your answer, and by the way, the weight of an actual cloud might ...

NASA will soon be launching a new space telescope with an epic mission: to observe millions of stars in over one hundred wavelengths. The SPHEREx mission will map the entire sky in the infrared ...

a massive formation in the sky that loomed directly over their sleepy desert town, evoking images from a 1950s science-fiction novel or fantasy epic. It wasn’t a spaceship descending over Palm ...