The question of what existed before the Big Bang has baffled scientists for years. While theBig Bang is thought to have ...

The cosmos is riddled with evidence that the universe began with an unfathomably rapid expansion — even faster than in traditional Big Bang theories — but scientists don’t know why it happened.

Satellites come in all shapes and sizes, but there aren't any that look quite like SPHEREx, an infrared observatory NASA ...

A NASA telescope was launched into space from California on Tuesday for a mission to explore the origins of the universe and ...

University of Arizona researchers are among a group of scientists who hope to discover what happened immediately after the ...

According to new research, the earliest seeds of structures may have been laid down by gravitational waves sloshing around in the infant universe. How did everything begin? It's a question that ...

How did the universe begin? A compact NASA space telescope that uses less power than a refrigerator is poised to chip away at that very large question. Called SPHEREx, and set for launch on a ...

Before there was light, there was cosmic inflation. Before life, planet Earth, the first galaxies—and even before the violent explosion of hot dense primordial stuff scientists have ...