NASA news conference: When is NASA's major Mars Curiosity Rover announcement? NASA is expected to unveil a monumental Mars Curiosity Rover discovery this afternoon and the world’s scientific community is on edge. But what time will the US space agency’s press announcement be held today? Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Super Moon 2019 in pictures: INCREDIBLE pictures of the final Supermoon of 2019NASA to use ‘space drones’ in search for alien life on MarsNASA spots HYPERSONIC ‘cosmic CANNONBALL’ hurling through space at 700 miles a SECONDSuper Moon 2019 video: Watch Super Worm Equinox Moon AGAIN hereSolar storm WARNING: Experts warn of POWER OUTAGES from massive solar flareBlack hole BREAKTHROUGH: How spacetime can be used 'to INVISIBLY navigate the galaxy'