Stargazers may catch a cosmic light show this Fourth of July weekend when the Milky Way appears in the night sky across the ...

Because it doesn't interreact with light or electromagnetism, dark matter exists to us only through its influence on visible ...

On the morning of Aug. 14, the two planets will pass in close conjunction, just one-third of a degree apart. Advertisement Venus gets into the act by mid-August, gradually appearing in the west as ...

Hubble captures three infant stars lighting up a blue nebula, with a secret protostar forming in a shadowed disc below.

A Beautiful Planet is a breathtaking portrait of Earth from space, providing a unique perspective and increased understanding of our planet and galaxy as never seen before. Made in cooperation with ...

Our planet sits in a small corner of the Milky Way galaxy, 25,000 light-years from the galaxy's center. Our solar system lives on a minor arm of the Milky way called the Orion Spur.