three stages of a simulated supernova explosion over a period of 50 milliseconds, starting about 400 milliseconds after the core begins to collapse.The surfaces show the material which is flowing ...

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Giant stars die a violent death. After a life of several million years, they collapse into themselves and then explode in what is known as a supernova. How these stars explode remains a mystery.

A spectacular cosmic event nicknamed “SN Winny” could help solve one of astronomy’s biggest mysteries: how fast the universe is expanding. This rare superluminous supernova, located 10 billion ...

When a star explodes at the end of its lifetime, it smears the elements forged in its heart across vast stretches of space. The results, dramatic designs of gas and dust known as supernova remnants, ...

Researchers have found white dwarf stars with masses close to the maximum stable mass are likely to produce large amounts of manganese, iron, and nickel after it orbits another star and explodes.

Using cutting-edge theoretical models and data from NASA's Chandra X-ray Observatory, scientists have transformed astronomical observations into detailed 3D models of cosmic objects — models that ...

Researchers have found white dwarf stars with masses close to the maximum stable mass (called the Chandrasekhar mass) are likely to produce large amounts of manganese, iron, and nickel after it orbits ...