Science As Black Holes Collide, Scientists Detect Gravitational Waves 7:45pm February 12, 2016 by Geoff Brumfiel Space Science Share URL copied to clipboard! Play Pause There was an error loading the media player. Copyright 2016 NPR. To see more, visit NPR. 300x250 Ad More Morning Edition Music & Culture Ariana Grande has sold millions of records. Now her grandma has a record too Famine is imminent in northern Gaza, experts examining food insecurity say 300x250 Ad Support quality journalism, like the story above, with your gift right now. Donate