This Martian meteorite just got dubbed a Rosetta Stone. Heres why.

Look Up Mashable's Best: E-readers, robovacs, laptops, earbuds, smart home and more Gift Ideas For Everyone On Your List Mashable @Home In My Bag Safety Net Versus Trending Now Say More Creator Playbook Mashable Selects Getting Technical with Mashable All Series This Martian meteorite just got dubbed a'Rosetta Stone.' Here's why. It's older than almost all surviving Earth rocks, researchers say. 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. She previously worked for in Norfolk, Virginia, and in Annapolis, Maryland.