In the heart of our Milky Way galaxy, two gigantic "bubbles" extend roughly 50,000 light-years above and below the galactic center.

By combining data from NASA’s IRAS and NuSTAR telescopes, scientists have uncovered more hidden supermassive black holes than earlier estimates suggested. Their findings indicate that over a third of ...

Artist's impression of a supermassive black hole surrounded by gas and dust in four different wavelengths of light. Visible light (top right) and low-energy X-rays (bottom left) are blocked by the gas ...

Black holes have long been the ultimate cosmic enigma, defying conventional physics and pushing the boundaries of what we ...

Putin’s forces launch missile attack on Unesco world heritage site in Odesa - Norwegian diplomats caught up 'in the epicentre ...

Georgia Power Co. says it wants to keep burning coal to meet what it forecasts as the state’s increasing electrical demand.