We have so many questions about the early universe. Questions like, what did it look like right after the Big Bang? How or why did galaxies come to be? What was the first star? What planet formed ...

Physicists have long grappled with the question of why the universe was able to support the evolution of intelligent life. The values of the many forces and particles, represented by some 30 so-called ...

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Explore 25 universe mysteries scientists are still scratching their heads over, from dark matter to the Big Bang's secrets.

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Investigations into the unknowns of space and time -- and abstract questions around early universe cosmology relating to the Big Bang, black holes and universe expansion -- are focal points of ongoing ...