In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small ...
New data reveals a 3-million-light-year filament connecting two galaxies, each of which hosts a supermassive black hole.
A new telescope could launch as early as late February. SPHEREx will look into deep space and also search for organic ...
Euclid, the European Space Agency’s dark Universe detective, has made an astonishing discovery – right in our cosmic backyard ...
The European Space Agency's Euclid space telescope, in operation for a few months now, uncovered light coming from a ...
Mark Garlick / Science Photo Library via Getty Images Meet Quipu, a new contender for the largest known structure in the universe. It’s essentially a giant cluster of galaxy clusters stretching ...
Scientists have discovered the largest known structure in the universe, a massive superstructure named Quipu. This enormous cosmic formation weighs an astonishing 200 quadrillion times the mass of the ...
After being launched into space, the space telescope SPHEREx will observe the universe for 2 1/2 years from an altitude of ...
A rare ring of light surrounding a galaxy nearly 590 million light-years away from Earth has been discovered by a space ...
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