Scientists analyzing a gravitational-wave signal have discovered that a neutron star and black hole spiraled together on an ...

Scientists believe this long stream of gas may have formed when several galaxies collided millions of years ago.

Astronomers have tracked a powerful blast of radiation back to its source, finding a neutron star collision within colliding galaxies.

A powerful "gamma-ray burst" has been seen exploding from merging neutron stars hidden within a previously unknown mini-galaxy leftover from an ancient cosmic crash. The "collision within a collision" ...

Gold and other heavy elements are born in some of the universe’s most violent events—but scientists still struggle to understand the nuclear steps that create them. Now, nuclear physicists have ...

The violent collision of two neutron stars is providing new insights on how the universe’s heaviest elements were created.

Rendering of the planetary collision astronomers suspect occurred around star Gaia20ehk in 2021. Credit: Andy Tzanidakis Astronomers have captured a rare, real-time view of a planetary cataclysm ...

Astronomers have uncovered evidence of a rare and violent collision between two planets orbiting a star known as Gaia20ehk, located over 11,000 light-years from Earth. The unprecedented discovery, ...