Researchers are Still Trying to Solve the Mystery of the Universe Expansion

The Earth, Solar System, as well as the entire Milky Way and a few thousand galaxies in our vicinity move in a large 'bubble' that is about 250 million light-years in diameter, while the overall density of matter is half...

Massive cosmic structures existed since the early days of the universe

A team of astronomers has tracked down the oldest cluster of galaxies identified by now, which appeared in the early days of the universe. The pivotal discovery could offer valuable information related to the current state of the known universe....