Summer smoke from Canadian wildfires is once again hazing out Minnesota skies — just in time for your long-awaited Northwoods ...

A panel of the European medicines regulator has recommended approving an eco-friendly version of AstraZeneca's inhaler for the treatment of a chronic lung condition, the drugmaker said on Friday.

Thanks to lots of cloud cover and periods of showers and thunderstorms around along with the warm front stalling out, highs ...

Arguments for prohibiting all research on weather modification and geoengineering are based on misinformation and fear, not facts.

An uncontrolled wildfire burned Thursday outside Madrid and sent a giant cloud of smoke over the Spanish capital. The fire broke out in the town of Mentrida in central Spain’s Castile-La ...

The Manhattan Project's Trinity test bomb detonated on July 16, 1945. The light, noise, shockwave, and fallout cloud were impossible to keep secret.

Sacramento's normal high temperature this time of year is 93 degrees. Forecast high temperatures are in the mid 80s on ...

Wildfire smoke may harm your cognitive health. Experts warn exposure could raise dementia risk. Here’s how to protect your brain and breathe safer.

In other images, white and green smoke can be seen as protesters retreat. Other images showed protesters shouting at agents wearing camouflage gear, helmets and gas masks.

In other images, white and green smoke can be seen as protesters retreat. Other images showed protesters shouting at agents wearing camouflage gear, helmets and gas masks.

A confrontation erupted Thursday between protesters and federal officials carrying out a raid on a Southern California farm, with authorities throwing canisters that sprayed what looked like smoke … ...