Image: Hubble captures a galactic menagerie

The NASA/ESA Hubble Space Telescope captured this massive galaxy cluster, called Abell 1351, with its Wide Field Camera 3 and Advanced Camera for Surveys. Abell 1351 lies in the constellation Ursa Major in the northern hemisphere.

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. ...

NASA rocket team to chase pulsating aurora

A new NASA sounding rocket mission will soon take to the Alaskan skies. The LAMP mission, short for Loss through Auroral Microburst Pulsations, will fly above an often-overlooked kind of northern lights to test a theory on ...

The Sun is less active magnetically than other stars

Our sun is the source of life on Earth. Its calm glow across billions of years has allowed life to evolve and flourish. This does not mean the sun doesn't have an active side. We have observed massive solar flares, such as ...

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