'Planetary parade' to start in June

First came a rare solar eclipse, followed by the northern lights, fueled by a solar storm. The next celestial phenomenon will come next month, when skygazers can look forward to an alignment known as a "planetary parade."

Demystifying the complex nature of Arctic clouds

With dancing ribbons of light visible in the sky, a team of researchers flew on a series of scenic and sometimes stormy flights into the cold unknown, trying to learn more about why one of the most frigid places on Earth ...

Image: An aurora in another light

The Visible Infrared Imaging Radiometer Suite sensor on the NOAA-NASA Suomi NPP satellite captured this image of the aurora borealis, or northern lights, over western Canada at 3:23 a.m. MST (5:23 a.m. EST) on November 5, ...

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