The image of supermassive black hole Sagittarius A * was created using data from the Event Horizon Telescope Collaboration. At the same time several telescopes, including the Chandra X-ray Observatory ...

The James Webb Space Telescope has captured a mid-infrared picture of Sagittarius A*, filling in a long-standing gap in ...

Active galactic nuclei (AGN) are among the most energetic phenomena observed in the universe. These luminous objects, powered ...

Nobody and nothing works forever, even space probes retire. The European space probe Gaia ended its work this week after more ...

President-elect Donald Trump is hoping to make Hollywood “stronger than ever before” by naming Sylvester Stallone, Mel Gibson ...

After decades of study, scientists sound genuinely optimistic about the possibility of detecting primordial black holes, which might explain dark matter.