Related topics: magnetic field · solar wind

Pulsating aurora: Killer electrons in strumming sky lights

Computer simulations explain how electrons with wide-ranging energies rain into Earth's upper and middle atmosphere during a phenomenon known as the pulsating aurora. The findings, published in the journal Geophysical Research ...

A 'cancer shredder' substance with new mechanism of action found

The villain in this drama has a pretty name: Aurora—Latin for dawn. In the world of biochemistry, however, Aurora (more precisely: Aurora-A kinase) stands for a protein that causes extensive damage. It has been known for ...

Alaskan seismometers record the northern lights

Aaron Lojewski, who leads aurora sightseeing tours in Alaska, was lucky enough to photograph a "eruption" of brilliant pink light in the night skies one night in February.

Image: Comet NEOWISE seen in an aurora-filled sky

Comet NEOWISE is visible in an aurora-filled sky in this photo by Aurorasaurus Ambassador Donna Lach. The photo was taken early on July 14, 2020, in western Manitoba, Canada. The purple ribbon-like structure to the left is ...

Modern science reveals ancient secret in Japanese literature

Nearly a millennium and a half ago, red light streaked across the night sky over Japan. Witnesses compared it to the tail of a pheasant—it appeared as a fan of beautiful red feathers stretched across the sky. Since the ...

Camera provides view into Sun's polar regions

The Solar Orbiter mission will use a U.S. Naval Research Laboratory-designed and -built heliospheric camera, known as SoloHI, to provide unique perspectives and unprecedented views of the Sun's North and South poles. The ...

Final images from Cassini spacecraft

Researchers are busy analysing some of the final data sent back from the Cassini spacecraft which has been in orbit around Saturn for more than 13 years until the end of its mission in September 2017.

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