LONDON (AP) — The head of Russia’s space agency said Monday that the Luna-25 spacecraft crashed into the moon after its engines failed to shut down correctly, and he blamed the country’s decades-long pause in lunar exploration for the mishap. The pilotless Luna-25 had been scheduled to land Monday while aiming to become the first spacecraft to touch down on the south pole of the moon, an area where scientists believe important reserves of frozen water and precious elements may exist. Roscosmos Director General Yury Borisov said the spacecraft’s engines were turned on over the weekend to put Luna-25 into...