A completely dark, invisible object weighing 1 million times the mass of the Sun has been detected through its gravitational ...

Astronomers analyzing the interstellar object known as 3I/ATLAS say new trajectory and composition data point to an origin deep within the Milky Way's central region, an environment marked by intense ...

A newly discovered celestial object may be a starless cloud that could change how astronomers understand dark matter.

Nearly a decade ago an object called G2 first enthralled astronomers around the world. G2 was a bizarre hybrid. Containing several Earth masses of material, it looked like a compact mix of gas and ...