Add Yahoo as a preferred source to see more of our stories on Google. Smoke from wildfires in Canada covered most of the eastern and central U.S. on Monday morning and will linger through Wednesday, ...

Three summers ago, the Caldor Fire burned its way up the Western Slope into the Tahoe Basin, scorching 221,835 acres. The fire burned for over two months, cloaking the lake and its surrounding ...

They may respond a bit like us, it turns out: Some trees essentially shut their windows and doors and hold their breath. Plants have pores on the surface of their leaves called stomata. These pores ...

A helicopter carries a water bucket to fight a wildfire near Richfield, Utah. (Photo by harpazo_hope via Getty Images) When wildfire smoke is in the air, doctors urge people to stay indoors to avoid ...

Almond trees bloom in mid- to late February in Central California, and it’s a big deal — pollinating them is the largest managed pollination event in the world. Some 1.4 million beehives come to the ...

Scientists are still studying the long-term health effects of smoke exposure. By Dani Blum Extreme wildfires are becoming more common, more intense and more of a pressing problem for public health.

It’s been a relatively quiet wildfire season so far in the Pacific Northwest, with not much in the way of large fires or widespread smoke pollution — yet. But a recent study found that more frequent ...

A new bill in Congress proposes to use federal funds to research the impacts of wildfire smoke exposure on grapevines and vineyards, U.S. Sen. Alex Padilla, D-Calif., said when the bill was introduced ...