Last November, astronomer David Turner made headlines by claiming that one of the sky's best known objects—the North Star, Polaris—was actually 111 light-years closer than thought. If true, the ...

Parallax is the observed displacement of an object caused by the change of the observer's point of view. In astronomy, it is an irreplaceable tool for calculating distances of far away stars. When you ...

The average distance between the Earth and Sun measured using trigonometry is 93 million miles, not 3,000 miles as claimed in a viral post online. The author of the post claims that measuring with a ...