Imagine waking up one morning to find that Earth’s atmosphere has vanished—gone, as if erased by an invisible hand. Suddenly, ...

Hubble captures three infant stars lighting up a blue nebula, with a secret protostar forming in a shadowed disc below.

The two-day Head in the Clouds Music & Arts Festival returned to Brookside at the Rose Bowl in Pasadena on Saturday afternoon – in celebration of the 10th anniversary of 88rising, a music label ...

Columbia artist Blue Sky’s enormous fire hydrant sculpture sits in a field after being removed by the city. But his huge chain connecting downtown buildings and other works are still on display.

The flower’s species name, coerulea, is derived from the Latin caeruleus, which means “sky blue”. But many who see the Blue Vanda perceive it to be purple. So what colour is it really?

Pastel pink sunrise or sunset cloud n golden yellow orange cloudscape on colorful purple blue sky horizon in tropical summer or spring sunlight n sun ray, Slow Motion 4k cinemagraphs b-roll TimeLapse ...

The Met Office says it was likely caused by a red sunset reflecting off the base of dark clouds.

These strange clouds are dangerous, and you can’t even see them without special equipment.

So, if the sky scatters both blue and purple wavelengths, our eyes favor the blue. In actuality, the sky probably is more violet than you picture it.

Hours before Hurricane Milton made landfall in Florida many Floridians saw the sky turn a beautiful shade of purple.

Water is lighter in the blue band than it is in either the red or green bands, though the lake is too deep for shallow features to be visible. Manmade creations like cities and roads also show up well ...

Today’s Wonder of the Day was inspired by Paris. Paris Wonders, “Why does the sky change colors when the sun sets and rises?” Thanks for WONDERing with us, Paris! Would you believe the sky could ...