The spins of some early galaxies could be a clue that the entire observable universe exists within a black hole—except, that ...
A long-simmering disagreement over the universe’s present-day expansion rate shows no signs of resolution, leaving experts ...
After 11 years mapping the Milky Way, the European Space Agency's Gaia space telescope has retired. Scientists hailed it as ...
This galaxy's central black hole appears to be a "messy eater" as its interstellar scraps are strewn into space.
A black hole is a region of space where gravity is so strong that nothing, not even light, can escape. There are two main ...
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Astronomers have discovered strong evidence of a supermassive black hole in the Large Magellanic Cloud, a satellite galaxy of ...
The composite image of NGC 1275, or Perseus A, reveals its dynamic structure by blending optical, radio, and X-ray data. Cygnus X-1, about 10,000 light-years away, is a powerful black hole pulling ...