The Digital Press

Scientists searched for explosions of tiny primordial black holes (PBHs) in the early universe using data from the LHAASO observatory but found no evidence of such bursts.

Why it matters: Detecting PBH bursts would confirm early universe black holes and Hawking radiation predictions.

The big picture: PBHs can reveal conditions of the early universe and influence cosmology if they exist in significant numbers.

Stunning stat: The study sets the strongest upper limit yet: fewer than 181 PBH bursts per cubic parsec per year.

Quick takeaway: No PBH bursts detected in 3+ years of data across multiple burst durations with LHAASO observatory.