Astronomers built the James Webb Space Telescope to study light from the first billion years after the Big Bang, and early images revealed mysterious "little red dots" — tiny, pixel-sized objects glowing intensely in red light. Initially thought to be distant galaxies, they were later linked to supermassive black holes, whose gravity pulls in gas to form bright, swirling rings. In spring 2025, two teams announced observations of two little red dots unlike any previously seen.

Anna de Graaff of the Max Planck Institute and Rohan Naidu of the University of Hawai‘i proposed these are "black hole stars" — topsy-turvy hydrogen clouds glowing with billions of suns while harboring a black hole at their core. Their paper suggested Webb is witnessing the birth of supermassive black holes within colossal stars. Critics, including MIT astrophysicist Anna-Christina Eilers, say the field has become highly polarized.

Surveys like Rubies and Mirage mapped detailed spectra, revealing smeared hydrogen colors indicating extreme conditions. The debate continues as these objects challenge existing timelines, earning the nickname "universe breakers" for potentially breaking cosmic growth limits.