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Supernovae are some of the most powerful and destructive events in the universe. They occur when the core of a massive star collapses due to its own gravity, causing it to explode in a brilliant flash of light and energy. The energy released is so great that it can outshine an entire galaxy. Supernovae are responsible for creating many of the elements that make up the universe, such as oxygen, nitrogen, and carbon. They also leave behind massive clouds of interstellar dust and gas that can eventually form new stars and planets. In this section, you can find the latest news about supernovae and their associated research, as well as articles and videos about these incredible events.
What's the link between an exploding star, climate change and human evolution? Francis Thackeray, who has researched ancient environments and fossils for many years, sets out his ideas about what happened in the distant past—with enormous consequences.
A distant supernova exposed elements from a star’s core. The result reshapes ideas of how massive stars evolve. According to long-standing theory, stars are built in layers like onions, with each layer composed of different elements that grow heavier toward the core. While this model is widely ac
Astronomers have solved the mystery of a star that has baffled scientists for over a century, finding it is a cannibal white dwarf about to blow in an explosion that will be visible with the naked eye.
A companion star may have stripped silicon layers. This provided a new window into stellar death. Astronomers have observed the inner layers of a dying star through a rare type of stellar explosion known as an “extremely stripped supernova.” In a study published on August 20, 2025, in Nature,
From 1985 to 2014, Jean Mueller supported astronomers from around the world who came to Palomar to use its iconic instruments. At the same time, she learned how to operate all three of its major telescopes, discovering 15 comets, 13 asteroids and more than 100 supernovae.