One of them, led by researchers at China’s Tongji University, finds that after years of ice sheet decline, Antarctica has seen a “surprising shift”: a record-breaking accumulation of ice.

The world’s ice sheets are on course for runaway melting, leading to multiple feet of sea level rise and “catastrophic” migration away from coastlines, even if the world pulls off the ...

Most migrants walking into ICE offices for check-ins are now leaving with ankle monitors or other tracking devices as the Trump administration aims to keep better tabs on the up to 4.5 million ...