As skies darkened Monday over North America during a rare solar eclipse, many people noticed bright dots — flickering spots that were reddish, pink and orange in hue — along the periphery of the moon ...

Did you see those red blotchy areas around the sun during Monday's total solar eclipse? Those are called solar prominences. Though they look like they could be made of fire, they are actually ...

CAPE GIRARDEAU, Mo. — An eclipse mystery has been solved. Millions of viewers already got to experience the rare celestial event of the eclipse on Monday, but some more observant viewers could see red ...

There are a few things that capture our imagination, like the cosmos. Vast, mysterious, and still largely unexplored, the universe continues to inspire photographers around the globe to point their ...

The sun unleashed two spectacular prominence eruptions on Aug. 20 — and they may be among the most jaw-dropping events of the entire solar cycle. First came a colossal eruption off the sun's ...