If a few days ago the discovery of the farthest star (Eärendel, whose light departed 12.9 billion years ago) was announced, now an international team of astronomers reports the farthest…

Ever since the presence of supermassive black holes in the early universe was discovered (only 700 million years after the Big Bang), with masses equivalent to hundreds of millions of…

Novas are explosive stellar phenomena that occur in binary star systems in which one of the components is a white dwarf (the dense core of a solar-type star that has…