The science behind northern lights

(Phys.org)—Northern night skies have recently been alive with light. Those shimmering curtains get their start about 93 million miles away, on the sun.

Research could improve laser-manufacturing technique

(PhysOrg.com) -- Engineers have discovered details about the behavior of ultrafast laser pulses that may lead to new applications in manufacturing, diagnostics and other research.

Exoplanet aurora: An out-of-this-world sight

Earth's aurorae, or Northern and Southern Lights, provide a dazzling light show to people living in the polar regions. Shimmering curtains of green and red undulate across the sky like a living thing. New research shows that ...

Goddard building instrument to study reconnection

Whether it's a giant solar flare or a beautiful green-blue aurora, just about everything interesting in space weather happens due to a phenomenon called magnetic reconnection. Reconnection occurs when magnetic field lines ...

Scientists see solar outburst in exquisite detail

(PhysOrg.com) -- The largest disturbances to the Earth's geomagnetic environment occur when it is buffeted by solar material hurled in our direction by explosive changes in the Sun's atmosphere. These Coronal Mass Ejections ...

Another high-definition plasma

(PhysOrg.com) -- The sight of an aurora evokes feelings of mystery and awe in the weekend star gazer and scientist alike. The stargazer may ponder the vastness of our universe or how such vivid color can be created in space, ...

Honey, I Blew up the Tokamak

Magnetic reconnection could be the Universe's favorite way to make things explode. It operates anywhere magnetic fields pervade space--which is to say almost everywhere. On the sun magnetic reconnection causes solar flares ...

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