Researchers have unveiled a new model for the universe’s birth that replaces cosmic inflation with gravitational waves as the ...
According to the model, dark matter may have started as particles that were hot, light, massless, and fast. As the universe ...
How did the universe come into being? There are a multitude of theories on this subject. In a Physical Review Letters paper, ...
The universe is approaching the midpoint of its 33-billion-year lifespan, a Cornell physicist calculates with new data from dark-energy observatories. After expanding to its peak size about 11 billion ...
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