Have you ever wondered how a cloud stays in the sky? In a recent conversation with my friend and colleague Alan Sealls, the AMS President-Elect told me that he pondered this very question, and it ...

Have you ever looked up at the clouds in the sky and wondered how they form? Understanding cloud formation is really important for studying weather patterns and making accurate forecasts. Those clouds ...

SEATTLE — Even a clear sky contains layers of wet and dry air, that is, layers with different humidities. You can’t see these layers unless the humidity is high enough for the moisture in the layer to ...

Adding to this year’s spectacular skywatching events—like the total solar eclipse and the Blaze Star that might soon erupt as a nova—a comet will dazzle the night skies as it passes by Earth this week ...

One of the scariest clouds you'll ever see over a football stadium. Photo taken by Ty Kaplan (Ty Kaplan) A few weeks ago, my wife and I made the nine-hour drive to Lubbock to drop our daughter off at ...

A conjunction is an astronomical event in which at least two planets – or, in this case, other celestial bodies – appear to our vantage from Earth to be close together in the sky. The trio of ...

On December 19, this interstellar visitor with its peculiar composition offers a glimpse into the makeup of celestial bodies ...

It was not a bird, a plane, popcorn, cotton balls or giant cow udders in the skies above Bucks County on Sunday evening. So what was it? A unique weather phenomenon. Called mammatus clouds, these ...

When a meteor streaks across the sky, it's not just beautiful. It's nature's way of delivering a time capsule to Earth. Contained within are hints about the very beginning of the solar system and how ...