Environment

Over a decade since Microsoft tried to make talking to Cortana on PCs a thing -- and spectacularly failed in the process -- the Windows giant is taking another swing at voice commands

The difference in emissions between plug-in hybrid electric vehicles (PHEVs) and gas cars is merely 19 percent and not 75 percent as lab tests show, according to a report by a group of European transport and environment NGOs.

When scientists discovered an enormous black hole thousands of light-years from where it

SAVE OVER $50: As of Oct.