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 ...

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

Scientists trying to work out whether a star exploded and the resulting debris crashed into Earth 10 million years ago may be one step closer to solving the mystery. They discovered an unusual amount ...

Space is filled with billions of stars, all of which will eventually reach the end of their life. For many of them, this means exploding in a very dramatic fashion. There are several ways that a star ...