Skywatchers worldwide are in for a charming cosmic display before the sun rises Friday, as three celestial bodies will appear ...

A planetary alignment early Friday morning could resemble a celestial smiley face—depending on where you’re looking from and ...

The night sky is going to be smiling down at the Central Valley come Friday – in a rare phenomenon, the moon and planets will ...

Before sunrise on April 25, a slender waning crescent moon will appear left of Venus and Saturn to create the tilted happy face.

Photos of the French Alps, Utah, the Maldives, Quebec, Australia and Argentina show the naturally occurring letters.

In 2025, much like in 1970, Earth Day events are happening in the midst of regular nationwide protests. Earth Day events are traditionally not protests, however — they’re awareness events with a call ...

Researchers using the Hubble Space Telescope have discovered water vapor in the atmosphere of planet K2-18b, located about 110 light-years from Earth. Credit: Space.com / animations courtesy: ...