Have you ever gazed up at the sky and wondered why clouds look so incredibly different from one another? One moment, you spot ...

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 ...

The universe is huge, yet astronomers have looked at a few parts of the night sky over and over again ... beyond—have looked at the Magellanic Clouds, two mini-galaxies in our celestial ...

A video of a strange shadow line in the sky spotted from a plane has gone viral ... are narrow cirrus cloud streamers that form behind high flying aircraft." The NASA website explains: "When ...

Aurora chaser and photographer Harlan Thomas ( @TheAuroraGuy) was about 18.5 miles (30 kilometers) north of Calgary along a ...