A 2,300-year-old Chinese star chart challenges the origins of astronomy—sparking debate among experts about its true age.

Developer Niantic adds a new RSVP planner feature to Pokemon GO, introducing very useful options for players around the world ...

They found that the ancient star chart actually dates to 355 B.C. — 250 years earlier than previously thought — and that it ...

A team led by researchers at the University of Oxford has created the most complete map of the world's rivers ever made, ...

Regarding the right ascensions and declinations of celestial objects for the purposes of amateur astronomy, some coordinates ...