Primordial black holes are hypothetical black holes thought to have formed moments after the Big Bang. Because they ...

GRBs are short-lived because “the event that produces them is catastrophic,” Martin-Carillo, an astronomer at University ...

A team of astronomers have observed an explosion in the universe unlike any ever witnessed before. The gamma-ray bursts from ...

As the universe expands, it feels like it must be spreading out from some initial point. But a physicist explains why that’s ...

A theory holds that dark matter could be involved in a mirror universe and that runs backwards before the Big Bang.

The night sky of Aspen is a wonderland for stargazers, dark and transparent enough for the naked eye to discern ...

A catalog of over 2,000 exploding white dwarf vampire stars, the largest ever gathered, has provided further evidence that dark energy is weakening.

On September 9, astronomers observed an unprecedented astronomical phenomenon in the universe—a repeating gamma-ray burst (GRB) that is completely different from any GRB known before. This event has ...

The team explores one of the greatest discoveries of modern astronomy - that our universe is expanding - and the new ...

New research suggests the calcium in our teeth and bones came from star explosions. Researchers from Northwestern University looked at a calcium-rich supernova with x-ray imaging, which provided a ...