A red supergiant star transitions into a type II supernova in this animation. Credit: W. M. Keck Observatory/Adam Makarenko | ...

W.M. Keck Observatory imagery of star system HR 8799 have been time-lapsed. The system hosts four planets that are more ...

Hawaii risks losing its global astronomy edge and hundreds of employees if the Trump administration’s funding cuts are approved, said John O’Meara, deputy director and chief scientist of the W. M.

A high-speed crash between two dwarf galaxies might explain a unique feature in space – and provide useful information on ...