The final results from the Atacama Cosmology Telescope offer the sharpest, most sensitive view of the early cosmos that ...

The war in Ukraine is one of robots and horses. It’s WW1-style trench warfare with modern killing machines. As Kyiv is perfecting the art of lethal drones on the ground, sea, and air, Moscow has ...

The Russian leader stopped short of backing a broader 30-day pause in fighting that the US administration is pressing for.

Putin rejects full ceasefire but halts strikes on energy targets after Trump call - Lengthy phone call between US and Russian presidents came as White House pushes for Kremlin to sign off on its 30-da ...