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, ...

Severe solar storm creates dazzling auroras farther south

An intense solar storm has the northern lights gracing the skies farther south than usual. A blast of superhot material from the sun late last week hurled scorching gases known as plasma toward Earth at nearly 2 million mph ...

VIIRS sensor on NOAA-21 now collecting new imagery

The Visible and Infrared Imaging Radiometer Suite (VIIRS) on the recently launched NOAA-21 satellite started collecting Earth science data from its day-night band (DNB) and its thermal emissive bands (TEB) on Feb. 9, 2023. ...

The aurora borealis can be heard even when it can't be seen

Professor Emeritus Unto K. Laine of Aalto University has made recordings of auroral sounds, showing that the phenomenon is much more common than previously believed and occurs even in the absence of visible northern lights. ...

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