This collage highlights a small selection of regions of the Milky Way imaged as part of the most ... [+] detailed infrared map ever of our galaxy. Here we see, from left to right and top to bottom ...

If we could go back 101 years, we would encounter a time when scientists still thought the Milky Way was the entirety of our ...

Learn about the size, temperature, and colour of each planet, and discover why Pluto is no longer considered a planet.

Jamie Carter is an award-winning reporter who covers the night sky. The core of the Milky Way in Sagittarius low in the south over the Frenchman River valley at ... [+] Grasslands National Park ...

A strange break in a stream of stars in the Milky Way could be the result of dark matter, but only if the dark matter is hot ...

The total mass of the Milky Way is estimated to be only two hundred billion times that of the sun (2.06 x 10 11 solar masses), marking a significant downward revision—approximately four to five ...

Our Milky Way is a spiral galaxy rotating around a central point. Our Sun is on one of the spiral arms as shown in the diagram: The Sun's orbital speed is determined almost entirely by the ...