Auroras a "visual warning" of the damaging power of space shocks—study

See Ten Awe-Inspiring Images From the Astronomy Photographer of the Year Contest. Auroras, nebulas and stars take the spotlight in this space-themed competition, alongside shots of our own sun and moon.

The sun is entering solar maximum. Expect auroras, and more

Auroras Are on the Horizon, and Bird Flu Is on the Menu