Astronomers have long believed that “water worlds,” planets rich in water and ice, were among the most common in our universe. This view has shaped much of our understanding of planetary formation and ...

Astronomers have introduced a new class of exoplanets, dubbed “soot planets,” which are believed to be more widespread across the galaxy than previously thought. These planets are characterized by ...

An exciting new study titled "Soot Planets instead of Water Worlds", by Jie Li and associates, published in August 2025, challenges prevailing assumptions about the nature of many low-density ...

Analysis of in-flight emissions from an Airbus A350-900 using 100% sustainable aviation fuel indicates a reduction of 35% in soot particle numbers, and a halving of contrail ice-crystal formation per ...