Aurora chaser and photographer Harlan Thomas ( @TheAuroraGuy) was about 18.5 miles (30 kilometers) north of Calgary along a ...

NASA captured an image of the sun emitting a powerful solar flare that could interfere with technology on Earth.

A vast, glowing halo enveloping a galaxy cluster has been discovered, defying expectations and pointing to turbulent cosmic ...

Parts of the western U.S. got to see the aurora borealis early Sunday, and conditions could be good for the eastern U.S. at night, possibly as far south as Alabama.

The origin of our sun, and all the planets, comets and asteroids that orbit it, can be traced back to their birthplace inside a massive cloud of cold gas and dust, not unlike the billowing molecular ...

This Milky Way photographer has had many shots “ruined” by equally beautiful lights. Here are some of the best aurora images ...

Just 500 light years away, the Chamaeleon Complex, and in particular its dark cloud Chamaeleon I, is a hotbed of young, ...

Weather officials say different types of clouds can tell you what kind of weather to expect. Here's a look at the different types.

With the aurora active after a surprise geomagnetic storm, many people initially thought the streak was STEVE - a white-mauve light emitted ... of the unusual luminous cloud seen by many observers.' ...

NEW YORK (AP) — Northern lights may be visible in parts of the U.S. Monday night following weekend solar storms.

The northern lights can be seen most clearly at night in the dark away from the bright lights of a city, according to NOAA.

This is the terrifying moment gloomy storm clouds swirled over homes in Maryland ... US set to kill off tech that cuts car engines at red lights As China restricts rare earths, Trump targets ...