Protests in Baltimore, a migrant crisis in Europe, the first Triple Crown winner in three decades, and stunning shots of Pluto. Relive the highs and lows of the past year:
This year began and ended with tragedies in Paris. But in between, we celebrated a groundbreaking Emmy win for Viola Davis, a World Cup victory for the US women's soccer team, and marriage equality.
Freddie Gray's death in Baltimore sparked protests and debate over police practices nationwide. Caitlyn Jenner's iconic Vanity Fair cover sparked dialogue around the rights and visibility of trans people. Check out the video above for a look back at the people and events that defined 2015.