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 ...

Ever wonder why the sky is blue, vs. say red, orange or purple? An effect called Rayleigh Scattering is part of the reason we ...

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 ...

The aviation code for Whakaari/White Island has been raised due to minor ... which upgraded the aviation colour code to orange. The volcanic alert level remained at 2, indicating “moderate ...