The Vera C. Rubin Observatory’s key instrument is almost ready to be installed on the telescope, where it will image tens of billions of cosmic objects.
The positively charged particle at the heart of the atom is an object of unspeakable complexity, one that changes its appearance depending on how it is probed.
New results from the world’s most sensitive dark matter detector put the best-ever limits on particles called WIMPs, a leading candidate for what makes up our universe’s invisible mass.