CHRISTCHURCH, New Zealand — Dark energy has been modern physics’ most successful placeholder, a theoretical force invented to ...

Cambridge, Mass. – Astrophysicists have performed a powerful new analysis that places the most precise limits yet on the composition and evolution of the universe. With this analysis, dubbed Pantheon+ ...

Let's rewind the clock back…oh, I don't know, let's say a hundred years. It was 1917, and Einstein had just developed his ...

For more than a century, physicists have suspected that the familiar three dimensions of space might be only a small slice of ...

The universe really is as surprising as scientists have come to suspect it is, according to a discovery that University of Chicago astrophysicists announced Sept. 19 at the COSMO-02 conference at ...

Irvine, Calif., Aug. 27, 2004 -- The UC Irvine Department of Physics and Astronomy has established a research program in modern cosmology – an entirely new field of research at the university. The new ...

The largest galaxy survey ever made suggests that our cosmos isn't as clumpy as it's supposed to be. That lack of clumpiness could mean there's a discrepancy with Einstein's theory of general ...

When the British astrophysicist Fred Hoyle coined the phrase ‘Big Bang’ to describe the rival to his beloved ‘steady state’ theory of the Universe, he meant it to be disparaging. It was bad enough for ...

Analyzing more than two decades' worth of supernova explosions convincingly bolsters modern cosmological theories and reinvigorates efforts to answer fundamental questions. Astrophysicists have ...