Raffaella Margutti

Astronomers capture red supergiant’s death throes

For the first time ever, astronomers have imaged in real time the dramatic end to a red supergiant’s life — watching the massive star’s rapid self-destruction and final death throes before collapsing into a type II supernova. Led by researchers at...

Northwestern physicists make history with first X-ray imaging of calcium-rich supernova

A Northwestern University-led team researching calcium-rich supernovas have created history. For the first time, researchers were able to examine a calcium-rich supernova with X-ray imaging. This provided a glimpse into the star during the last month of its life and...