Add Yahoo as a preferred source to see more of our stories on Google. In 1408, Chinese astronomers and court officials observed an especially bright object in the sky that appeared for about ten days, ...

Tonight is "blue moon Eve" (see the May 31 entry for more details). Late tonight, look toward the southeast to see one of the sky's most striking color contrasts. The bright, nearly full moon will be ...

The moon and Venus will shine vividly alongside a bright star in the early morning in a striking celestial rendezvous that should be visible across the U.S. But unless you're willing to wake up before ...

Historical observations from an observatory in Germany have now independently verified evidence for brief, mysterious flashes of light in the night sky, first picked up by an American astronomical ...

What a CBS4 viewer saw flying recently above his Southern Marion County home and neighborhood concerned him. He can be heard saying, “That is scary,” on video he provided to CBS4. It shows a lighted ...

You know, after decades of pointing optics toward the sky, I consider myself a knowledgeable observer. But while researching the Pleiades a few months back, I was surprised to learn that it wasn’t the ...

A new study published in Nature Astronomy describes the most luminous object ever observed by astronomers. It is a black hole with a mass of 17 billion Suns, swallowing a greater amount of mass than ...

"The Seven Wonders of the Ancient World" is the first known list of the most remarkable creations of classical antiquity; it was based on guidebooks popular among Hellenic sightseers and only includes ...