A giant hexagon circling Saturn's north pole has puzzled scientists for decades. Now researchers have managed to recreate the pattern in the lab using little more than water and a spinning table, Science Now reports.
Saturn Gets Served:A mysterious object passing through Saturn's "Ring F" NASA/JPL/Space Science Institute
An unknown object appears to have punched through one of Saturn's rings and left a calling card in the form of trailing debris. NASA's Cassini spacecraft snapped the image on June 11, 2009 during its ongoing tour of Saturn and its moons.
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.