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Strange cosmic phenomenon at center of our galaxy points to new kind of dark matterFor decades, scientists have been chasing one of the universe’s greatest mysteries: dark matter. Thought to make up about 85% ...
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Could the universe ever stop expanding? New theory proposes a cosmic 'off switch'Dark energy, the mysterious phenomenon that powers the expansion of the universe, may undergo periodic 'violent transitions' ...
Gravitational lensing often evokes images of a cosmic funhouse mirror: duplicated galaxies, dramatic arcs and distorted ...
New research suggests that dark energy isn't needed to explain the acceleration in the expansion of the universe — instead suggesting giant voids in space are creating an illusion. Dark energy ...
The universe is ballooning outward at an ever-faster clip under the power of an unknown force dubbed dark energy. One of the ...
Voyager 1 crossed into interstellar space in 2012, followed by Voyager 2 in 2018, making them the only spacecraft to operate ...
That’s less than the energy of a flying mosquito, all the way up to the energy of a tennis ball whacked at 100 kilometers per hour. The vast majority of cosmic rays have very low energies, but there ...
Other high-energy cosmic messengers zipping through space are not as reliable. For instance, the path of cosmic rays gets bent by magnetic fields, so they cannot be traced back to their place of ...
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