Physicists Discover Oldest Dark Matter Yet With Lensed Microwaves

Researchers just studied the lensing of the oldest light we can see and discovered the oldest dark matter yet observedsurrounding 12-billion-year-old galaxies. They spotted this dark matter by looking at how some galaxies warp the light of the cosmic microwave background, the earliest detectable radiation from just after the Big Bang, which kicked off the … Read more