Evidence of a possible exoplanet in another galaxy found for the first time
Evidence has been uncovered for the potential identification of a planet in another galaxy for the first time.
Uh-oh: Black hole up to 100 billion times the mass of the sun has vanished
Scientists are puzzled by the apparent absence of a supermassive black hole estimated to weigh between 3 billion and 100 billion times the mass of the sun.