A 400-mile blanket of fog has socked in California's Central Valley for weeks. Scientists and meteorologists say the ...

Atmospheric rivers are long and relatively narrow bands of water vapor that form over an ocean and flow through the sky.

On July 4, NOAA's GOES-18 satellite captured the Dragon Bravo fire in Arizona's Grand Canyon National Park which started with a lightning strike and quickly became a roaring wildfire. The fire ...

From an interstellar comet to breathtaking auroras and from brand-new rockets to iconic space telescopes, here are some of our favorite images from the cosmos in 2025 ...

A bevy of comets, a "blood moon" total lunar eclipse and impressive northern lights were just three of the skywatching highlights in 2025. Here's how they unfolded.

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