Group of ancient stars spotted near the sun could rewrite the Milky Way's history 

 Researchers using the Gaia space telescope studied some ancient stars near the sun, revealing that our corner of the Milky Way may be billions of years older than once thought. 

https://cdn.mos.cms.futurecdn.net/4vHDHHGkwYRniHeTAJdneW.png

https://www.space.com/stars-near-sun-milky-way-history-gaia-space-telescope