Research by the Atacama Cosmology Telescope collaboration has led to the clearest and most precise images yet of the universe’s infancy, the cosmic microwave background radiation that was visible only ...

Observing the night sky can be done with no special equipment, although a sky map can be very useful ... 1.3 fist diameters to the lower left (or 13 degrees to the celestial east) of the cluster.

Our star chart is designed to get you out learning the night sky within a matter of moments. Just set it for your time and location, make a few tweaks if you like for personal taste, and print it out.