NANOGrav
Did the Pulsar Timing Array Actually Detect Colliding Primordial Black Holes?
With last week's announcement of the gravitational wave background detected by timing arrays, the assumption was that these are the…
1 year ago
Early Black Holes Were Bigger Than We Thought
Every large galaxy in the nearby universe contains a supermassive black hole at its core. The mass of those black…
1 year ago
Astronomers Have Never Detected Merging Supermassive Black Holes. That Might Be About to Change
A new study suggests that pulsars could act as natural gravitational wave sensors, setting limits on supermassive black hole mergers…
1 year ago