The Fantastic Four are Marvel Comics First Family and iconic superheroes, but they are also, above all, explorers of the multiverse.

The solar system floats inside a vast, million-degree hot bubble—an invisible cocoon of thin gas that glows in X-ray light. Known as the Local Hot Bubble (LHB), this low-density cavity stretches more ...

The question of whether the universe is finite or infinite has puzzled astronomers for centuries. Today, we stand on the ...

The MCU is expected to go through some significant changes in Avengers: Secret Wars, and a new theory could explain how.