WASHINGTON, March 6 (Reuters) - The Large Magellanic Cloud is a dwarf galaxy residing near our Milky Way, visible to the naked eye as a luminous patch of light from Earth's southern hemisphere and ...

With all this talk about an expanding universe, perhaps you're wondering how it is that astronomers know things are moving up there, let alone how fast they're moving. But astronomers routinely ...

When early astronomers observed the sky, they imagined the vast array of stars embedded in a giant "crystalline sphere" that encompassed the Earth and the Sun. They believed that the planets ...