galaxy

Stars make a bigger mess in old galaxies, and scientists just discovered why

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The more developed a galaxy is, the more chaotic the orbits of its many stars are, according to new research that answers an important detail about how galaxies age. Our sun revolves around the center of the galaxy once every 225 million years, at an average speed of 514,495 mph (828,000 km per hour). Astronomers … Read more

James Webb Space Telescope reaches the heart of a smoking galaxy (images)

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The James Webb Space Telescope (JWST) has zoomed in on the heart of the Cigar Galaxy, a region of space ablaze with an explosive bout of star birth. This starburst galaxy, also known as Messier 82 (M82), has a compact but turbulent environment at its core that could give scientists a clearer picture of how … Read more