Several years ago, October 31 became more than just a day to hunt for free candy. It became the day to hunt for the origins of the universe. It is known as Dark Matter Day, and we celebrate by going deep underground to see how Lab researchers are looking for the unseen. https://sites.google.com/lbl.gov/weareberkeleylab/spooky-science/dark-matter
January 2019 – July 2022
