The blast may have been a kilonova — a type of neutron star merger — in the wake of a more traditional supernova.

Major explosion causes 'fountains of diamonds' to erupt from Earth's crust ...

Upon impact, it unleashed a severe G4-class geomagnetic storm, as confirmed by Noaa's Space Weather Prediction Center.

Swift observations with the European Southern Observatory's Very Large Telescope (ESO's VLT) have revealed the explosive death of a star just as the blast was breaking through the star's surface. For ...