The mantle transition zone (MTZ), which occurs 410–670 kilometers below Earth's surface, may store several oceans' worth of water. This water, which is carried to such depths by subducting tectonic ...

Ukraine war latest: Zelenskyy asks for air defence help in 'frank' call with Trump - as US says peace 'never been closer' The US says "peace has never been closer" after a Donald Trump-Volodymyr ...

Donald Trump has said "we are very much on track" after a "very good" call with the Ukrainian president. "Just completed a very good telephone call with President Zelenskyy of Ukraine," he said ...