Dean Pesnell

• Why do we get the northern lights?

  The northern lights are coming to a night sky near you. Find out why.

  Science

  Sep 11, 2014
  
• Keep an eye on the sky: The season of northern lights is approaching

  Catch the northern lights over the past few weeks? If you missed it, there's good news: you have a better chance in the coming months.

  Science

  Sep 6, 2014
  
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• Sun going through ‘maximum’ and we could see its effects

  Just as a sunspot unleashed three major solar flares this week, NASA scientists believe the sun is finally going through its solar maximum.

  Science

  Jun 11, 2014