Israeli archaeologists claim to discover ancient city

Israel's Antiquities Authority on Sunday said that researchers have discovered the remains of a large, 5,000-year-old city that sheds new light on experts' understanding of the period.

Not long ago, the center of the Milky Way exploded

A titanic, expanding beam of energy sprang from close to the supermassive black hole in the centre of the Milky Way just 3.5 million years ago, sending a cone-shaped burst of radiation through both poles of the Galaxy and ...