Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

Take a look at the sky on any given day and you’ll likely see clouds of different shapes — some look like cotton balls, others are fine and feathery or tall and imposing.

How do astronomers describe the shape of the universe, and what could it mean for the fate of the cosmos? When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

On a road trip from Phoenix to Washington D.C., you may notice the sky is falling — or at least the clouds are. We often admire the shapes and sizes of those overhead puffs, but the height of ...

Rocket launches can create eerie patterns in the sky, from undulating bright-blue spirals to glowing “jellyfish” blobs. Here’s why they happen and how to spot them.

Starlings in the sky: 21 spellbinding scenes of shape-shifting murmurations Numbering in the thousands, starlings compose abstract figures in unison as they fly frantically at dusk above their roosts.

The practice involves free-falling while taking ahold of other skydivers to create shapes, all while falling at speeds of around 120 mph for at least 60 seconds.