big bang

Bouncing Bang

Cosmology has a problem. The problem begins, as the universe does, with the big bang. The standard cosmology imagines the universe’s first instant as a singularity: that is, a single point, taking up no space…


A long time ago, galaxy… far away…. Hubble…

There a Hubble Hangout about this galaxy as well. You can view it on YouTube here. By pushing NASA’s Hubble Space Telescope to its limits, an international team of astronomers has shattered the cosmic distance…


Older, Oldest, Oldestest, Oldestetsest

A team of Caltech researchers that has spent years searching for the earliest objects in the universe now reports the detection of what may be the most distant galaxy ever found. In an article published…


Looking for tilted Big Bang light

Half a century ago, astronomers got their first look at the infant universe: a haze of soft light that suffused the entire sky. This cosmic microwave background (CMB) radiation seemed to indicate that the early…


Large, larger, largest

More than a decade ago, scientists studying the radiation afterglow of the Big Bang, or cosmic microwave background, noticed something bizarre in their map: an unusually large and cold region of the sky, located in…


Young(er) guns

In 2009, the Planck spacecraft began its observations of the cosmos, and the program continued until 2013. Planck was designed to look for anisotropy, or non-uniformity, in the cosmic microwave background (CMB). On very large…


Why are we still here?

Studies of the Higgs particle – discovered at CERN in 2012 and responsible for giving mass to all particles – have suggested that the production of Higgs particles during the accelerating expansion of the very…