Trillions of bacteria, fungi, viruses and single-celled organisms travel the globe high in the atmosphere. Scientists are ...

Horrific summer wildfires are once again ravaging large swaths of Canada’s vast forests, sending frequent plumes of unhealthy ...

Fluorescence lidar technology enables a better determination of the origin of particles in the atmosphere. The method can ...

The more milk and colorants in the water, the more ethereal the images will get, so keep shooting. Put the light directly ...

Disposable vapes are considered extremely harmful for the environment, being difficult to recycle and full of harmful waste such as lithium, battery acid and mercury. Holly Bowman, a 17-year-old ...

Smoke from Canadian wildfires drifted into Milwaukee, Friday, creating hazy conditions and prompting an air quality advisory.

In a new study, researchers at UC San Francisco determined that eating edible cannabis, such as gummies, has the same impact ...

Tobacco use causes early silent damage to the cardiovascular system years before symptoms. This hidden harm increases risks ...

The Manitoba wildfires have forced 17,000 people to flee the province. Plumes of heavy smoke are expected to drift into the ...

Experts warn of cardiovascular risks from chronic cannabis use, as a UC San Francisco study shows similar vascular effects to ...

Wildfire smoke can have many harmful effects on the body, including on the lungs, heart and brain. Thankfully, there are certain measures that people can take to protect themselves, experts told ...