When theoretical physicists like myself say that we're studying why the universe exists, we sound like philosophers. But new data collected by researchers using Japan's Subaru telescope has revealed ...

The Big Bang may not have been alone. The appearance of all the particles and radiation in the universe may have been joined by another Big Bang that flooded our universe with dark matter particles.

A team of scientists suggests that a Dark Big Bang may have occurred during the early evolution of the cosmos, according to Interesting Engineering. WASHINGTON - FEBRUARY 10: This image, showing the ...

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Big Bang Nucleosynthesis (IMAGE) New York University Caption An artist’s rendition of big bang nucleosynthesis, the early universe period in which protons "p" and neutrons "n" combine to form light ...

A team of physicists has developed a method for predicting the composition of dark matter—invisible matter detected only by its gravitational pull on ordinary matter and whose discovery has been long ...

Last month, we reported on a small but enduring mystery in cosmology: why is there so much of one isotope of lithium around? Both 6 Li and 7 Li should have been produced when the first atoms formed ...

The newly-measured rate of a key nuclear fusion process from the Big Bang matches the picture of the universe 380,000 years later. In a secluded laboratory buried under a mountain in Italy, physicists ...