The production of about half of the heavy elements found in nature is assigned to a specific
astrophysical nucleosynthesis process: the rapid neutron-capture process (r process) …

What is the origin of the oxygen we breathe, the hydrogen and oxygen (in form of water
H2O) in rivers and oceans, the carbon in all organic compounds, the silicon in electronic …

Gravitational waves were discovered with the detection of binary black-hole mergers and
they should also be detectable from lower-mass neutron-star mergers. These are predicted …

We present a systematic numerical relativity study of the mass ejection and the associated
electromagnetic transients and nucleosynthesis from binary neutron star (NS) mergers. We …

Merging neutron stars offer an excellent laboratory for simultaneously studying strong-field
gravity and matter in extreme environments. We establish the physical association of an …

The merger of two neutron stars has been predicted to produce an optical–infrared transient
(lasting a few days) known as a 'kilonova', powered by the radioactive decay of neutron-rich …

We present the first effort to aggregate, homogenize, and uniformly model the combined
ultraviolet, optical, and near-infrared data set for the electromagnetic counterpart of the …

An energetic γ-ray burst (GRB), GRB 211211A, was observed on 11 December 2021,.
Despite its long duration, typically associated with bursts produced by the collapse of …

70 AIM, UMR 7158, CEA/DRF, CNRS, Université Paris Diderot, Irfu/Service d'Astrophysique,
Centre de Saclay, FR-91191 Gif-sur-Yvette, France

With the first direct detection of merging black holes in 2015, the era of gravitational wave
(GW) astrophysics began. A complete picture of compact object mergers, however, requires …