An analysis of a 1.5 million-year-old vertebra from a human relative living in what is now Israel suggests that ancient humans dispersed out of Africa in multiple waves.

"The new model can account for both structure formation and stability, and the key observational properties of the expansion of the universe at large." ...

The concept of parallel universes suggests that multiple versions of reality may exist simultaneously. This idea stems from interpretations of quantum mechanics, where every possible outcome could ...