News tagged with early universe

Galactic dinosaurs not extinct

One of the biggest mysteries in galaxy evolution is the fate of the compact massive galaxies that roamed the early Universe.

11 hours ago
4.4 / 5 (14) 1

Monster black hole discovered at cosmic dawn

Scientists have discovered the brightest quasar in the early universe, powered by the most massive black hole yet known at that time. The international team led by astronomers from Peking University in China ...

Feb 25, 2015
4.8 / 5 (41) 45

Could 'Higgsogenesis' explain dark matter?

(Phys.org) —The recently discovered Higgs boson is best known for its important role in explaining particle mass. But now some physicists are wondering if the Higgs could have played an equally significant ...

Oct 22, 2013 feature
3.7 / 5 (47) 38 | with audio podcast

Planck: Gravitational waves remain elusive

Despite earlier reports of a possible detection, a joint analysis of data from ESA's Planck satellite and the ground-based BICEP2 and Keck Array experiments has found no conclusive evidence of primordial ...

Jan 30, 2015
4.5 / 5 (20) 53

Granny galaxies discovered in the early universe

(Phys.org) —An international team of astronomers have discovered the most distant examples of galaxies that were already mature and massive – not just young, star-forming galaxies in the nursery-room ...

Mar 11, 2014
4.7 / 5 (20) 47

Could dark baryons explain dark matter?

(PhysOrg.com) -- "The prevailing belief about dark matter particles is that they should be about 100 or more times heavier than protons," Subir Sarkar tells PhysOrg.com. "However, we were thinking about the possibility of lig ...

Jul 20, 2010 feature
4.6 / 5 (27) 18 | with audio podcast

Earliest spiral galaxy ever seen: a shocking discovery

(Phys.org) -- Astronomers have witnessed for the first time a spiral galaxy in the early universe, billions of years before many other spiral galaxies formed. In findings reported July 19 in the journal Nature, the as ...

Jul 18, 2012
4.7 / 5 (40) 82 | with audio podcast