We have known for several decades that the universe is expanding. Scientists use multiple techniques to measure the present-day expansion rate of the universe, known as the Hubble constant. These ...
One of the largest known stars in the universe underwent a dramatic transformation in 2014, new research shows, and may be preparing to explode. A study led by Gonzalo Muñoz-Sanchez at the National ...
A groundbreaking discovery has revealed ancient, dusty galaxies formed just one billion years after the Big Bang. Using the latest technology, astronomers found these galaxies at the universe’s edge, ...
The discovery made by a large research team challenges the existing models of the universe.