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 ...

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.

His research focuses on cosmological inflation, dark matter and dark energy. Among other areas of interest, his work has explored the relationship between theories of cosmological origins and proposed ...

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 ...