NANOGrav

MeerKAT Confirms the Gravitational Wave Background of the Universe in Record Time

Astronomers are collecting evidence for the gravitational wave background of the Universe, caused by merging supermassive black holes. Now, the…

2 months ago

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…

2 years 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…

2 years 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…

2 years ago