Dennis Mammana Stargazers We live in a world defined by inches, feet and miles (or centimeters, meters and kilometers, if you prefer), and it’s not difficult for most of us to comprehend sizes and ...

Arizona is an ideal spot to see the Milky Way thanks to its numerous dark-sky places. Here's the best time to see - and ...

Astronomers have found a new way of accurately mapping the outer gas disk of the Milky Way using the positions of young stars ...

Shapley argued that the spiral nebulae were small and in the Milky Way, ... He calculated M31’s distance as a prodigious 900,000 light years away, though he underestimated its true distance ...

You’ll have to wait until the sky is quite dark to begin our Milky Way Summer Road Trip, which means staying up or getting up at round 1 am. Then, facing the northeast, you’ll see a thumbnail ...

The Milky Way and the neighboring Andromeda galaxy are currently hurtling through space toward each other at a speed of about 250,000 miles per hour (400,000 kph), setting up a possible future ...

Caption. The distance between the Milky Way and Andromeda in 50 simulations. Just slightly more than half of orbits result in a Milky Way - Andromeda collision within 10 billion years.

The Milky Way is our home galaxy with a disc of stars that spans more than 100,000 light-years in distance. Because it appears as a rotating disc curving out from a dense central reason, the Milky ...