In the colossal Pinwheel galaxy, 25 million light-years away, a star has just exploded and is even visible through small telescopes. The supernova-hunting astronomer Koichi Itagaki discovered the ...

NASA’s Fermi Gamma-Ray Space Telescope has provided what may be the first clear detection of gamma rays from a superluminous ...

Baby pictures of a newborn supernova have captured this stellar explosion after the first half-dozen hours of its life, shedding light on how these giant explosions happen, a new study finds. This ...

Peering deeply into the cosmos, NASA's James Webb Space Telescope is giving scientists their first detailed glimpse of supernovae from a time when our universe was just a small fraction of its current ...

For over 30 years, astronomers have relied on Type Ia supernovae to measure the universe’s expansion. These stellar explosions serve as cosmic beacons, allowing scientists to track how space itself ...