General Introduction: Iran pushes back on calls to refrain from retaliatory attacks against Israel, amid fears it could further escalate tensions in the region. Russia steps up attacks in Ukraine’s Donetsk region even as it works to repel Ukrainian forces that have brazenly stormed its territory near Kursk. Sudan’s military has not committed to peace talks this week as the U.N. says the country is at a ‘breaking point.’ And water on Mars, NASA's Mars InSight lander shows evidence far below the surface.