It drives the movements of stars and galaxies, but dark matter is invisible. While it remains a colossal mystery, a study ...

A NASA telescope was launched into space from California on Tuesday for a mission to explore the origins of the universe and to scour the Milky Way galaxy for hidden reservoirs of water, a key ...

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

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

Physicist Alan Guth, the father of cosmic inflation theory, describes emerging ideas about where our universe comes from, what else is out there, and what caused it to exist in the first place.

The primary goal of the mission is to probe the theory of “cosmic inflation.” The gist of the theory is that, back in the day – well, literally at the beginning of time and space ...

University of Arizona researchers are among a group of scientists who hope to discover what happened immediately after the Big Bang, when the universe expanded in a fraction of a ...