The European Space Agency telescope’s discovery of 31 ancient quasars gives astronomers their first look at black holes from ...

Famous double stars Mizar and Alcor in the handle of the Big Dipper are a visual challenge with the naked eye — can you split ...

For decades, astronomers have pictured galaxies and their central black holes growing together. In the familiar story, a young galaxy forms first. Gas gathers. Stars ignite. Somewhere near the crowded ...

With no Moon in the sky tonight, it’s a great opportunity to chase after fainter objects, such as the Cat’s Eye Nebula (NGC 6543) in Draco. High in the north a few hours after sunset, this planetary ...