Astronomers have discovered a mysterious stream of ancient stars on the distant edges of the galaxy – a strange star race so unlike any we’ve seen before, they may well be the last of their kind. This unusual collection of stars, called the ‘Phoenix current’, after the constellation Phoenix in …
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Astronomers have detected a dazzling flash of ultraviolet light from an exploding white dwarf for the second time, and could give researchers important clues as to what stimulates the disappearance of these ancient worn-out stars. The researchers noticed this unusual supernova, called SN2019yvq, last December, just one day after the …
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Across the Universe, there are numerous examples of galaxies coming together in colossal mergers, a billion-year-old process that stains stars and gas in the surrounding space. For the most part, we know how this unfolds, but we don’t know what happens to supermassive black holes within their galactic centers. Astronomers …
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