On April 10, 2024, astronomers began the fast-paced mission to capture supernova SN 2024ggi. Study coauthor Yi Yang of Tsinghua University in China initially learned about its sighting shortly after ...

New supernova reveals asymmetric, olive-shaped blast Earliest explosion moments captured with spectropolarimetry ...

Some of the earliest images ever taken in the wake of massive star’s death give astronomers important clues about what triggers a supernova.

Astronomers have used a new type of extreme supernova in which a massive star was stripped right "down to the bone" to better understand the process of stellar life and death. When other massive stars ...

The supernova was the death of a red supergiant star 500 times larger than the sun, in a galaxy just 22 million light-years ...

Evidence suggests the universe’s expansion has started to slow, not accelerate. The results imply dark energy is weakening ...

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 ...

SN2021yfj is a new kind of supernova, challenging our understanding of stellar evolution. Its progenitor lost its outer shells well before the supernova happened and only consisted of its ...