Tiny galaxies lose most of their oxygen. No one knows where it goes.

Look Up Say More Mashable's Best: E-readers, robovacs, laptops, earbuds, smart home and more Mashable Selects Trending Now Gift Ideas For Everyone On Your List Safety Net Mashable @Home In My Bag Versus Creator Playbook Getting Technical with Mashable All Series Tiny galaxies lose most of their oxygen. No one knows where it goes. Gone with the stellar wind? Elisha Sauers writes about space for Mashable, taking deep dives into NASA's moon and Mars missions, chatting up astronauts and history-making discoverers, and jetting above the clouds . Through 17 years of reporting, she's covered a variety of topics, including health, business, and government, with a penchant for public records requests.