A mysterious throbbing light seen racing behind clouds in the northeastern U.S. and Canada has been identified as a meteor, according to the American Meteor Society. One witness i ...

Non-experts define contrails as condensation trails that form due to the steam left behind by aircraft and which take shape ...

A massive fire and explosions ripped through an indoor children's park and a casino in the Mexican city of Culiacán on Thursday. A 39-year-old man was rushed to an area hospital for treatment to ...

The seemingly endless Santa Ana winds will be replaced by cloudy skies and drizzle Thursday across San Diego County, but the moisture will do nothing to tamp down the threat of wildfires, the ...

Usually, clouds trap some of this heat and send it back to the ground. But as the climate warms, there are fewer low clouds in some areas, which means less heat is returned to the surface.

These flares interact with molecular clouds—gas clouds where stars form—in our galaxy's center through the process of fluorescence. As the X-ray light travels, it illuminates slices of the ...

This video, filmed on Saturday, shows the sky over Brentwood, Los Angeles, turning an eerie orange-red due to smoke from the wildfires in the area. RESTRICTIONS AND USAGE TERMS: Please credit “@ ...