Spread the loveThe mystery surrounding the expansion of the Universe continues to baffle scientists, as a recent international study has revealed an expansion rate that not only defies expectations ...

A major international effort has produced an ultra-precise measurement of the Universe’s expansion rate, confirming it’s ...

The beginning of November marked a particularly exciting time for the faculty and students at the UC Davis Physics and Astronomy Department. Adam Riess, a co-winner of the 2011 Nobel Prize in Physics ...

A black patch of sky looks empty until you stop taking it for granted. That is the starting point of a theory from Professor ...

A black patch of sky looks empty until you stop taking it for granted. That is the starting point of a theory from Professor Richard Feynman, built around what sounds like a child’s question, why the ...

Since its launch in April 1990, the Hubble Space Telescope has been an invaluable tool for astronomers in unraveling the ...

Cousins says he is “hopeful” that the findings of gravitational-wave cosmology will be able shed more light on the Hubble ...

Primordial magnetic fields may help explain why measurements of the universe’s expansion do not agree. Scientists have long known that the universe is expanding, yet there is still no agreement on how ...

What Came Before The Big Bang?

A quarter-century after its first observations of the full Crab Nebula, NASA’s Hubble Space Telescope has taken a fresh look at the supernova remnant. The result is an unparalleled, detailed look at ...

A novel theory suggests that the current expansion rate of the universe is not fixed, but was in fact quite different in the early universe—and that the universe could start contracting at some point.