Gamma rays from GRB 221009A caused a disturbance in Earth's ionosphere when they hit our planet and were detected by multiple satellites ...

Three decades of supernova observations are adding to hints that dark energy may be changing over cosmic time.

When a star reaches its final stages of life, it ends in a bright and powerful explosion called a supernova and scatters material across the universe. A new study led by a University of Hawaiʻi at ...

When massive stars die, some end in supernova explosions that scatter newly forged material through space. Traces of those ancient blasts can eventually settle on nearby worlds, and a new study led by ...