Related topics: stars · massive stars · galaxies · white dwarfs · neutron stars

The clumpy and lumpy death of a star

In 1572, Danish astronomer Tycho Brahe was among those who noticed a new bright object in the constellation Cassiopeia. Adding fuel to the intellectual fire that Copernicus started, Tycho showed this "new star" was far beyond ...

Unusual Type II supernova discovered in NGC 1068

An international team of astronomers reports the discovery of an unusual Type II supernova in the galaxy NGC 1068, as part of the DLT40 survey. The newly detected event, designated SN 2018ivc, exhibits rapidly changing light ...

NASA's WFIRST will help uncover the universe's fate

Scientists have discovered that a mysterious pressure dubbed "dark energy" makes up about 68% of the total energy content of the cosmos, but so far we don't know much more about it. Exploring the nature of dark energy is ...

Modeling a core collapse supernova

Stars greater than eight solar-masses end their lives spectacularly—as supernovae. These single-star supernovae are called core collapse supernovae because when their dense cores (at this stage composed primarily of iron) ...

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