Tag Archives: supernova

In 2023, astronomers recorded one of the most extraordinary space explosions they had ever seen. It took place some 750 million light-years away, flaring into the detectors of the Zwicky Transient Facility on 7 July. At first, it looked just like a normal supernova – the explosive death of a star – and astronomers named it SN 2023zkd. Six months …

Using the largest catalog of exploding white dwarf vampire stars ever gathered has provided further evidence that dark energy, the mysterious force accelerating the expansion of the universe, is getting weaker. Hints at the evolution of dark energy, which accounts for around 70% of the universe’s mass and energy, were first delivered last year by the Dark Energy Spectroscopic Instrument …