An artist’s illustration depicts silicon, argon and sulfur releasing from a massive star. - Adam Makarenko/W. M. Keck Observatory Astronomers have observed what they are calling a new type of ...

In our galaxy, a supernova explodes about once or twice each century. But historical astronomical records show that the last ...

Astronomers have observed what they are calling a new type of supernova, which has provided an unparalleled glimpse into what happens deep within a star just before it explodes. A study detailing the ...