Using various ground-based and space telescopes, an international team of astronomers has observed a recently discovered fast X-ray transient designated EP 241021a. Results of the multiwavelength ...

Watch the evolution of a jet formed by a collapsing star ("collapsar") in these simulations courtesy of Ore Gottlieb/Northwestern University. The wobble of the jets may be the source of mysterious ...

Precious gold and heavy metals in Earth and throughout the universe may have been spewed out by a rare type of collapsing star. Scientists have long determined that light elements such as hydrogen and ...