Spiral galaxies look pretty and orderly, with most of their stars and gas confined to a carefully arranged disk in swirling spiral arms. But there is much more to a galaxy than we can see, as a new image of invisible phenomena skillfully demonstrates. The image shows a galaxy called …
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When we look at intergalactic space, evidence for dark matter is everywhere. It is in the rotation of galaxies, which cannot be explained by observable matter alone. It is in the way galaxies cluster together and the path of light as it travels through the Universe. We can’t see dark …
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Astrophysicists released the largest 3D map of the Universe on Monday, the result of an analysis of more than 4 million ultra-bright and energetic quasars and quasars. The efforts of hundreds of scientists from around 30 institutions worldwide have yielded a “complete story of the expansion of the Universe,” said …
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The Universe is not just a random scattering of galaxies scattered across an expanding void. The closer we look, the more we see that there are structures, some of which are incomprehensibly vast clusters and clusters of galaxies that are gravitationally bonded. Such a structure has just been discovered arching …
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The Hubble Space Telescope captured an image of a distant galaxy called NGC 2775, which is 67 million light years from Earth. The galaxy is full of young stars and has an open bulge at its center. Hubble’s mission is a joint effort between NASA and the European Space Agency. …
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