A new article published by the Young Minds division of Frontiers (an Open Access science publication) explains the significance of the neutron-star merger GW170817, which was observed by both gravitational waves and light in the summer of 2017. The article was written by Dr. Joey Key, and reviewed by Jonah, age 12, from California. You can read the article here, and make sure to share it with the young scientists in your life!