Too often these days, the news seems like a drumbeat of relentless loss: the loss of lives from Covid-19, the loss of whole species and landscapes to the ravages of climate change. And we’ve only just begun to calibrate what we’ve lost from such a long time isolated from each other. But, as these stories from 2021 show, there’s always light in the dark. Sometimes, that light comes from stars unobstructed by pollution, seen from a New Zealand dark sky reserve that’s protected by law, allowing anyone to look up…