Second only to black holes, neutron stars—incredibly dense star remnants—are the densest objects in the universe. When ...

A new analysis of the neutron star merger known as GW170817 has delivered the most precise measurement yet of the Hubble ...

Explore the cosmic aftermath of a neutron star collision. This animation breaks down the detection of a kilonova and explains ...

A fleet of NASA missions has likely uncovered a collision between two ultradense stars in a tiny galaxy buried in a huge stream of gas. Astronomers have never seen this type of explosive event in an ...

A new study says the cataclysmic event of two neutron stars colliding may also have solved the mystery of why there are so many heavy elements in the universe. Share on Facebook (opens in a new window ...

When the remnants of two stars collide, their union can launch a dazzling jet of high energy matter. A new computer simulation reveals how the merger, which forms a black hole, emits that bright beam, ...

Astronomers have spotted a jaw-dropping collision between two neutron stars – and it may have produced gold and platinum. The discovery in a tiny, faraway galaxy is the first time this has been seen ...

An international team of scientists has found that several hundred atoms of the isotope Pu-244 plutonium found in ferromanganese rock raised from the bottom of the Pacific Ocean are traces of a ...

New simulations of neutron star mergers reveal that the mixing and changing of tiny particles called neutrinos impacts how the merger unfolds, including the composition and structure of the merger ...

Add Yahoo as a preferred source to see more of our stories on Google. The most luminous kilonova candidate to date (short gamma-ray burst 200522A) was detected using the Hubble Space Telescope, Swift ...