The massive coal black asteroid 2005 YU55 zoomed by Earth this week in harmless fashion, but interest groups say the relatively close enc...
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Earth once had two moons, until one of them made the fatal mistake of smacking into its big sister in what is being called the "big splat," some astro...
LOS ANGELES, Calif. - The year's first total eclipse of the moon will occur next week, and it will be an unusually long one. But the eclipse Wednes...