In 2016, fifteen-year-old William Gadoury of Montreal used his home computer to align more than 100 modern constellations with ancient Mayan cities, leading him to identify the location of a lost city, "Mouth of Fire." Read more at National Geographic.
On October 16, 2017, researchers captured the collision of two neutron stars. The size of two cities but with masses greater than our sun, this cosmic car accident tells us a lot about the universe. Read more at astronomy.com