NASA's New Horizons spacecraft took amazing images of an eruption on Io in 2007 when it traveled past Jupiter, and NASA just released them now. Io's volcanoes can produce plumes that climb as high as 300 miles above the moon's surface.
What Happened at Slate This Week? See if you can keep pace with the copy desk, Slate’s most comprehensive reading team.
Bad as They Wanna Be Is the Philadelphia 76ers’ lose-on-purpose approach to team-building ingenious or morally bankrupt?