Original article source: See it: Rare horseshoe vortex cloud captivates Oklahoma sky The predatory fish can grow up to 3 feet long, slither across land and breathe air Video footage shows the goose ...

Thunderstorms above Oklahoma sculpted a seldom-seen spectacle in the sky Friday morning. The formation of a horseshoe vortex ...

Unusual cloud formations—rippled, twisted, and glowing—are appearing more frequently, sparking curiosity and concern. Experts ...

A celestial shadow known as the Circinus West molecular cloud creeps across this image captured from Chile with the ...

Like the Star Wars planet, a distant world follows a path around two stars, both of them small, cool bodies called brown ...

A rare alignment of the moon and three planets will give millions a reason to look up — and the view could leave stargazers ...

A rare alignment of the moon and three planets will give millions a reason to look up — and the view could leave stargazers ...

Asperitas clouds are a distinctive, but relatively rare cloud formation that takes the appearance of rippling waves.

Space exploration missions have revealed that polar vortices aren’t uncommon beyond Earth. They’ve been observed throughout ...

When a planet's orbit brings it between Earth and a distant star, it's more than just a cosmic game of hide and seek. It's an ...

Although most hailstone growth takes place at temperatures between 14 and -22 degrees Fahrenheit (-10 and -30 degrees Celsius ...

The James Webb Space Telescope reveals turbulent environments found in Sagittarius C, a core part of our Milky Way galaxy.