Day September 27, 2017

A New Gravitational Wave Detector Makes Its First Discovery

Image: The Virgo Collaboration Arguably the most exciting recent development in astronomy was 2016's announcement of the discovery of gravitational waves, waves that literally ripple the shape of space itself, created by violent events like black holes colliding. But every…

How Ancient Star Maps Gave Rise to Modern Astronomy

Image: British Library, Public Domain Scientists have incredibly advanced tools to look at the stars today, but in the era before light pollution, star-gazing was much easier and simpler for the average person—just step outside at night. Pretty early on,…