An asymmetry between matter and antimatter which is much larger than what is predicted by the Standard Model of particle physics may have been discovered.
The Chandra X-ray Observatory and ESA’s XMM-Newton have detected a huge reservoir of interstellar gas apparently embedded in a large-scale structure known as the Sculptor Wall, some 400 million light years from Earth.
The site has undergone an overhaul. For anyone browsing the site, the big change is the new theme. There are also changes under the hood: a better and cleaner way of accessing the article nodes should decrease the load on the web server.