science March 24, 2017 8:59 am First of Three Spacewalks Underway at ISS Two astronauts left the International Space Station on Friday to prepare the orbiting laboratory for the arrival of commercial space taxis and to tackle some maintenance. US & World Videos 3:29 Watch: Why the pay gap for women in tech hasn't budged 0:55 SF-based app tracks alcohol consumption 2:10 FCC votes to restore net neutrality 4:09 Watch: Students using AI service to write school papers 2:29 California lawmakers clear path for more oversight, traffic tickets for driverless cars
