Summer Ash
Summer Ash

Summer Ash is director of outreach for Columbia University’s astronomy department and the in-house astrophysicist for The Rachel Maddow Show. Follow her on Twitter.

Mysteries of the Universe
Feb. 20 2014 11:19 AMWhere Do Galaxies Come From?Cosmic harassment, stripping, strangulation, and cannibalism.
  Slate Plus
Hang Up And Listen
Nov. 24 2015 3:14 PM The “Classic, Irrational New York Exuberance” Bonus Segment The Hang Up and Listen crew discusses the hype over Kristaps Porzingis and his extraordinary height.