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

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

Famed physicist Stephen Hawking took gravity to its ultimate limits. In doing so, he made a number of significant ...

A new analysis of astronomical data suggests unknown physics is at work assisting dark energy in acting almost as ...

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.

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 ...

Cosmic inflation solves these problems at a stroke. In its earliest instants, the universe expanded faster than light ( light’s speed limit only applies to things within the universe).

A new theory suggests black holes may not have singularities but act as portals, possibly leading to white holes. If true, it ...

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 ...