In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small and in the Milky Way, while Curtis took a more radical position that they ...

The Milky Way Galaxy Nestled in the heart of Namibia, the NamibRand Nature Reserve offers an unparalleled view of the Milky ...

Millions of years ago, our Solar System traveled through a densely populated galactic region and was exposed to increased interstellar dust.

Our Solar System is in motion and cruises at about 200 kilometres per second relative to the center of the Milky Way.

Milky Way: It’s a spiral galaxy with a disk of stars spanning more than 100,000 light-years. The Carina Nebula, with an overall diameter of more than 200 light- years, is one of the outstanding ...

Voluminous clouds of cosmic dust permeate our galaxy, but only recently has software allowed detailed observations of the ...

The James Webb Space Telescope is investigating the Flame Nebula, hunting for "failed stars" to better understand how brown ...

Orion Nebula: Located constellation Orion that's visible to the naked eye. It's a stellar nursery where thousands of stars ...

The Flame Nebula, located about 1,400 light-years away from Earth, is a hotbed of star formation less than 1 million years ...

The Milky Way is one of the biggest in the observable universe: Even if you traveled at the speed of light, it would take 100,000 years to go from one end of our home galaxy to the other.