Space Storms

Behind the dazzling display of the aurora borealis are space storms that could turn the lights off here on Earth.

Northern Lights

See a gallery of auroras from Earth as well as other planets, and hear the eerie sounds they make.

Ask the Expert

Vassilis Angelopoulos, team leader of NASA's THEMIS mission to study auroras, answers your questions.

Video Extra

An Inuit woman describes the sounds and meaning of the aurora borealis.

Cosmic Perspective

Some of the most challenging problems in physics are rooted in the most beautiful-to-behold sights.

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© | Created July 2008