Jonah Kaplan is an award-winning journalist who has built a strong reputation for his balanced reporting, thoughtful interviews, and deeply researched coverage of high-impact issues affecting the ...

The ceilometer is a scientific tool of observation used by airports daily. It informs aircraft pilots of cloud heights and bases for safe takeoff and landing. In recent years, scientists have found a ...

Much of Southern California remained under a red flag warning for extreme fire risk due to strong, dry winds. The number of people under evacuation orders was not specified. About 18,600 people live ...

The lack of humidity we’ve been enjoying the past few days is going to stick around throughout the rest of the day. With temperatures in the upper 70s, things are going to be very comfortable once ...

The wildfire that destroyed the historic Grand Canyon Lodge earlier this month has expanded to more than 105,000 acres, fire officials in Arizona said Thursday. A timelapse video captured on Tuesday ...

The Upper Peninsula will struggle to glimpse the northern lights overnight amid wildfire smoke and clouds, despite low geomagnetic activity. The aurora borealis creates a dazzling display of colors in ...

A new NASA-led study helps answer decades-old questions about the role of smoke and human-caused air pollution on clouds and rainfall. Looking specifically at deep convective clouds — tall clouds like ...

Early risers in Texas saw something a little bit unusual earlier this week. A rare display of “meteor smoke clouds” — technically called noctilucent clouds — was rippling overhead before sunrise on ...

Fire crews say they have seen modest growth on the east and south edges of the Camp Creek Fire in the Bull Run Watershed. However, they are not able to give an accurate update of acreage as their ...

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The cloud of smoke inundating the East Coast on Wednesday — fueled by more than 400 active fires burning across Canada, with more than half of them considered “out of control” — underscored how ...