red emission nebula with a shape that resembles a human heart. This cosmic cloud glows red because it's filled with ionized hydrogen gas. Darker lanes of interstellar dust create a dark silhouette ...

“This is the first time that we’re seeing a patchiness inside of the Great Red Spot at these wavelengths, indicating differences in cloud thickness – you can see an internal, darker ring in ...

But while Red Cloud's own words inform The Heart of Everything That Is (the title refers to the Sioux name for the Black Hills), they don't tilt it. This is no knee-jerk history about how the West ...

which pierced the heart of Cheyenne, Arapaho and Sioux lands, into Montana’s recently discovered gold placers. The stampede for gold, Red Cloud saw, would destroy life-sustaining buffalo hunting ...