Yemen Conflict parties extended April truce for two months, while negotiations over access to Taiz city remained central sticking point and divisions surfaced within govt. Warring parties 2 June renewed UN-mediated April truce for two months; truce – which is longest in effect since start of war in 2015 – …

It may seem like technology advances year after year, as if by magic. But behind every incremental improvement and breakthrough revolution is a team of scientists and engineers hard at work. UC Santa Barbara Professor Ben Mazin is developing precision optical sensors for telescopes and observatories. In a paper published …

While the leaders of NATO were meeting in Madrid last week, another gathering was taking place 5,300 km to the east in Ashgabat, Turkmenistan, where the leaders of the five littoral states of the Caspian Sea (Russia, Iran, Turkmenistan, Kazakhstan, and Azerbaijan) gathered for the 6th Caspian Summit. It was …