The textbook picture of how planets form—serene, flat disks of cosmic dust—has just received a significant cosmic twist. New research, published in Astrophysical Journal Letters, is set to reshape ...

It is difficult to distinguish between the largest planets and the smallest brown dwarfs, stellar objects that were never ...

A distant star system with four super-sized gas giants has revealed a surprise. Thanks to JWST’s powerful vision, astronomers detected sulfur in their atmospheres — a chemical clue that they formed ...