A 2014 meteor may have come from another solar system
Such alien visitors could graze Earth’s atmosphere once a decade, scientists suggest
![meteor](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2019/04/041519_lg_meteor_feat.jpg?fit=860%2C460&ssl=1)
SHOOTING STAR Meteors from other planetary systems may have been able to bring life to the early Earth, two astronomers suggest.
Bill Dunford/NASA