Astronomers have discovered a rare group of five dwarf galaxies located relatively close to Earth; these galaxies exist in a near-perfect alignment, resembling a string of cosmic pearls in the sky.

The hydrogen clumps known as the "string of pearls" appear as a ring of white dots around the teal center of the stellar remnant, still shining brightly due to the energy imparted by the supernova ...

The tricky thing about the String of Pearls debate is that there is a problem with definition. Looking at much of the available literature, the “lowest common denominator” definition is that each ...

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When spectacular cosmic events such as galaxy collisions occur, it sets off a reaction to form new stars, and possibly new planets that otherwise would not have formed. The gravitational pull that ...

Physicists often turn to the Rayleigh-Taylor instability to explain why fluid structures form in plasmas, but that may not be the full story when it comes to the ring of hydrogen clumps around ...