A giant object that has been lurking in the relative galactic vicinity of the Solar System this entire time has just been unmasked in all its enormous, invisible glory.

Chinese astronomers noted prominent displays in 687 B.C. and 15 B.C. Also, in 1136, a report from Korea ... Join our Space Forums to keep talking space on the latest missions, night sky and ...

South Korea has successfully launched a fourth spy satellite from a U.S. military base, Seoul's military said. South Korea ...