Just as the US prepares to watch the partial solar eclipse today, nearly 100 million miles away on the sun a possible solar storm is brewing. Continue reading →
A partial solar eclipse will darken North American skies Thursday afternoon (Oct. 23), and you can watch the dramatic celestial event online if clouds hinder your view.
Mark Thursday (Oct. 23) on your calendar as Solar Eclipse Day, for if the weather cooperates, you should have no difficulty observing a partial eclipse of the sun.
Weather prospects for Wednesday's total lunar eclipse are great for observers hoping to catch a glimpse of the blood moon from around the United States.
There's nothing in the universe that isn't moving -- even us. Trace tries to slow things down long enough to calculate just how fast we little humans, even when seated, are flying through space.
Next time you’re swimming in the ocean, consider this: part of the water is older than the sun.
A huge arc of plasma has been imaged rising from the sun's surface by a NASA solar observatory, producing a beautiful view of the sun's magnetic dynamics in action. Continue reading →
Even though Mercury is one of the brightest objects in the sky, very few observers have ever seen the planet in the night sky. That's because it never strays very far from the sun, and is usually lost in its glare.
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