From October 2007 until mid-2022, the Atacama Cosmology Telescope (ACT) looked at the millimeter and microwave universe. It discovered the most extreme galaxy cluster and many other peculiar things, ...
A vast, previously hidden structure has emerged from one of the most obscure regions of the sky, revealing that the Milky Way ...
In a cafe at CERN in 1992, three physicists realized they disagreed about how many constants are needed to describe all of nature. A recent paper suggests only one – time – is necessary.