The universe has never looked this clear or this bright. The NSF-DOE Vera C. Rubin Observatory sent out its first scientific pictures on June 23, 2025. These pictures gave people an unprecedented look at the universe, which is always changing. The biggest digital camera ever built took these early pictures. They are just a taste ...
Among the most energetic events in the universe’s catalog of violent events since the Big Bang, astronomers have found a new extreme in the class of cosmic explosions. Dubbed extreme nuclear transients (ENTs), these rare, ultra-luminous events were seen in the centers of far-off galaxies where supermassive black holes split apart large stars in catastrophic ...
New research has uncovered the key players responsible for illuminating the early universe. Scientists have long debated what caused the transition from cosmic darkness to the era of reionization, when light could finally travel freely through space. Recent findings suggest that small dwarf galaxies played an important role in clearing the dense hydrogen fog that ...
