Thousands of light-years from Earth, the dramatic death throes of a giant star are playing out. It's part of a star system called Wolf-Rayet 104 (WR 104), also known famously as the Pinwheel Nebula.

New research led by W. M. Keck Observatory Instrument Scientist and astronomer Grant Hill has confirmed what scientists have long suspected—WR 104 comprises two massive stars: a Wolf-Rayet star and an ...

The estimates for how much it would cost to actually build a real Death Star in modern times are staggering, but they're ...