According to scientists, red supergiant stars should produce more supernovas. But astronomers just aren’t spotting them. Here's how they plan to crack the case.

Unlike ordinary black holes, which form when massive stars collapse at the end of their lives, primordial black holes are hypothetical objects thought to have formed less than a second after the Big ...

An international team led by researchers at the Institute of Cosmos Sciences of the University of Barcelona (ICCUB) has developed a new method that could significantly improve our understanding of the ...

The universe’s expansion might not be accelerating but slowing down, a new study suggests. If confirmed, the finding would upend decades of established astronomical assumptions and rewrite our ...

Artist’s conception of a magnetar surrounded by an accretion disk that is wobbling, or precessing, because of the effects of general relativity. Some models of magnetars suggest that high-speed jets ...

A bizarre, record-breaking neutrino detected in 2023 may have originated from an exploding primordial black hole—a relic from the early universe. Scientists suggest these black holes could carry a ...

Why it matters: GRBs let astronomers study the early universe, revealing how the first stars lived, died, and seeded space with heavy elements. The big challenge: These explosions appear unpredictably ...

See what would happen if every black hole in the universe exploded at once. Trump Revokes TPS, Citing Fraud Concerns Why Erin Andrews’s Comments About Her Sports Career Are Going Viral on Thanksgiving ...

In recent years, whenever astronomers have gazed into the night sky, they’ve noticed something peculiar: Some of its massive stars—the true titans of the cosmos—appear to be missing. The largest of ...