"Hale-Bopp has been a favorite of comet studies in part because it was one of the brightest comets seen." Comets — those small, icy objects orbiting the sun — act like floating time capsules ...

In a recent study, scientists developed a groundbreaking model to trace how the chemistry of one comet, known as "Hale-Bopp," has evolved over time. Ultimately, this endeavor managed to reveal ...