In a distant corner of the universe, astronomers have identified a dramatic planetary event unfolding in real time. A young exoplanet, named TOI 1227 b, located about 330 light-years from Earth, is ...

First X-ray signal: NASA’s Chandra Observatory spotted X-rays from a 'little red dot,' the first such detection from these enigmatic cosmic objects. Black hole star theory: The find supports the idea ...

Scientists using NASA’s Chandra X-ray Observatory say a growing supermassive black hole inside galaxy NGC 1365 is consuming ...