The Signature of a Pre-Merger System
Could pairs of black holes and neutron stars alert us to their existence before they merge?
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Searching for Star Fuel
How has the availability of star-forming material in galaxies changed with time?
Finding Fire-Breathing Dragons in the Milky Way
Though dark matter subhalos are invisible and hard to detect, astronomers have used stellar streams to make an attempt. Astrobites reports.
What Galaxies Reveal About Magnetars and Fast Radio Bursts
Recent evidence points to highly magnetized neutron stars as the culprits that produce fast radio bursts — but do galaxy demographics support this picture?
Peering at the Surface of a Nearby Moon
Among Jupiter’s Galilean moons, icy Europa or volcanic Io often take the spotlight — but their sibling moon Ganymede has plenty of secrets to share.
A New Assessment of Supermassive Black Holes and Our Universe
A recent census of brightly accreting supermassive black holes reveals more about the role they played in the evolution of our universe.