[CLICK ON IMAGE FOR HIGH RESOLUTION, Mars Exploration Rover Mission, Cornell, JPL, NASA] What if a rock that looked like a jelly donut suddenly appeared on Mars? That’s just what happened in front of the robotic Opportunity rover currently exploring the red planet. The unexpectedly placed rock, pictured above, was imaged recently by Opportunity after […]
BEIJING — Winter typically brings the worst air pollution to northern China because of a combination of weather conditions and an increase in the burning of coal for homes and municipal heating systems, which usually starts on a specific date. For the large northern city of Harbin, the city’s heating systems kicked in on Sunday, […]
