Telescopes around the world have spotted a monster radio jet streaming from a quasar dating back to the first 1 billion years ...

By Rodrigo Gutierrez and Fabian Cambero CERRO PARANAL, Chile (Reuters) - Chile's pristine, dark desert skies, world-renowned ...

The moon's ascending node (the point in the sky where its orbit crosses the ecliptic from south to north) is moving westward ...

A SpaceX Falcon 9 rocket streaked across the East Coast sky Tuesday night, Feb. 4. The rocket launched the Maxar 3 mission ...