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.

Astronomers have discovered that our solar system traveled through a dense, star-forming region near Orion about 14 million ...

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

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 ...

Earth may have cooled during a close encounter with dense star clouds. Interstellar dust from the Orion region might have shaped our ancient climate.

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

March 14's Worm Moon will transform into a Blood Moon during a total lunar eclipse, visible in the Americas but not in India, ...

Some were gaseous, star-forming regions, such as the Orion nebula, or M42 – the 42nd ... could be enormous stellar systems outside the Milky Way – but astronomers now just call these systems ...

In March the bright winter constellations of Canis Major, Canis Minor, Orion, Gemini, Taurus and Auriga fill the southern sky stretching all the way to zenith — the point directly overhead. Directly ...

The Orion constellation ... helping to place it in the context of the Milky Way. "We are inhabitants of the Milky Way," says Alves, "The European Space Agency's Gaia Mission has given us the ...

Look for the Orion constellation and the Orion Nebula ... helping to place it in the context of the Milky Way. "We are inhabitants of the Milky Way," says Alves, "The European Space Agency's ...