High in the Andes Mountains of northern Chile, something extraordinary is happening. Perched on the peak of Cerro Pachón at ...

The Two Harbors lighthouse is the oldest continuously operating light on the North Shore of Lake Superior. It was built in ...

To get a glimpse of the “Swift Planet,” EarthSky suggests waiting for the sun to set before looking west for the planet ...

Planetariums were a hit with the public. Within decades, they had spread around the world – the first planetarium in the ...