Premiering July 7th at 9PM ET/PT on Super Science Tuesdays on PBS (please check local listings). http://www.pbs.org/wgbh/nova/sciencenow/

Hunt for Hidden Planets Atop Mt. Hopkins in Arizona, Harvard astronomer Dave Charbonneau is searching for mini eclipses that might reveal planets as they pass in front of their stars. But scientists are waiting to hit an even bigger planetary jackpot when the Kepler telescope launches this spring. The answer to this ancient question—are we alone?—may be just around the corner.

Autism Genes Rudy Tanzi, a pioneer in discovering genes for Alzheimers disease, is turning his attention to autism. Tanzi thinks the key to unraveling this heartbreaking disease is fundamental genetic research, now possible thanks to a DNA bank of over 1000 families, all of whom have one or more children with autism.

Digital Art Authentication Vincent van Gogh has inspired several talented artists to turn their hands to forgery. Can computers be used to identify which works are really his?

Spider Scientist Maydianne Andrade Some arachnophobes might say Maydianne Andrades career is like a horror film (her favorite kind), but Andrade cant imagine how anyone wouldnt relish the idea of spending their days and nights studying the cannibalistic behavior of the Australian redback spider.