"It sounded like someone dropped something heavy on the roof of my building." The post Deafening Explosions in the Sky Rock ...

The Vera C. Rubin Observatory has detected a staggering800,000 celestial changes in the night sky during a single observation session. This unprecedented achievement opens a new chapter in the study ...

A newly discovered star suggests tiny relic galaxies like Pictor II preserved the chemical material created by the universe's ...

Science in the modern era is increasingly reliant on enormous datasets and automated analysis. In astronomy, the Vera C.

Still in its original galaxy, a rare holdout from the second generation of stars sheds new light on the origins of the elements—and how massive supernovae reshaped the cosmos ...

Gamma-ray bursts are the most violent explosions in the universe. In a fraction of a second, they can release more energy ...

The discovery of a newborn magnetar inside a distant supernova helps explain why some stellar explosions shine far brighter ...

Some of the most extreme explosions in the universe are Type I superluminous supernovae. “They are one of the brightest ...

Ashna Gulati receives funding from the Australian Research Training Program and the Australian Research Council Centre of Excellence for Gravitational Wave Discovery (OzGrav). Tara Murphy receives ...

New data from major dark-energy observatories suggest the universe may not expand forever after all. A Cornell physicist calculates that the cosmos is heading toward a dramatic reversal: after ...

Start off in any direction and fly through the universe. Out of our solar system, beyond the edge of the Milky Way, through the forest of galaxies that make up our Local Group into the wilderness of ...

The earliest black holes in the universe may not have disappeared from Hawking radiation after all, new research hints. Instead, they fed on the energy of the ancient cosmos to grow supermassive. When ...