Still in its original galaxy, a rare holdout from the second generation of stars sheds new light on the origins of the elements—and how massive supernovae reshaped the cosmos ...

Discovered in the Pictor II dwarf galaxy, star PicII-503 has an extreme deficiency in iron—less than 1/40,000th of the sun. This signature makes it the clearest example of a star within a primordial ...

Add Yahoo as a preferred source to see more of our stories on Google. Image Credit: Shutterstock. Long before anyone could download a stargazing app or buy a telescope from a department store, ancient ...

An unusual depiction of the ancient Egyptian sky goddess Nut may include a representation of the "Dark River" or "Great Rift"—the band along the Milky Way caused by dust clouds. This is the conclusion ...

pt. I. Ancient astronomy, from its origins to the end of the Middle Ages. The origins of astronomy -- Primitive astronomy in China, Chaldea and Egypt -- The cosmology of primitive peoples -- The ...

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Before telescopes, ancient Greek astronomers relied on naked-eye observations of the night sky to understand the universe around them. The meticulous star catalog belonging to one of the best of these ...