For the first time, astronomers have definitively ID’d a specific heavy element forged by a neutron star merger. Theories of physics have long predicted that about half of the universe’s heavy ...

Kilonova: artist’s impression of merging neutron stars. (Courtesy: University of Warwick/Mark Garlick) The first spectroscopic evidence that heavy elements are created by the merger of two neutron ...

Misha lived her whole life in zoos, but this elephant's teeth are now helping scientists reconstruct wildlife migrations. Geologists show how strontium isotopes found in teeth or tusks reveal where ...