# 'Super-Puff' Planets Discovered These planets, less dense than cotton candy, open the door to new discoveries. - **Source:** [NYT > Science](https://brifing.si/source/794f9fbd-c10f-44d6-932d-9039af67922c) - **Published:** 2026-07-17 - **Topic:** [Business](https://brifing.si/c/business) - **Original article:** - **On Brifing:** https://brifing.si/s/eb72c9b3-5da0-4d64-86c5-996483563131 ## Unusual Planets Astrophysicists have discovered two 'super-puff' planets with densities lower than cotton candy. These planets challenge existing theories of planetary formation. ## Density Mystery The discovered planets are so low in density that scientists are developing new models to explain this phenomenon. This could provide new clues about how planets form. ## Observation Technology This discovery was made possible by advanced telescopes and data analysis methods. The atmospheric properties of these planets will serve as an important reference for future space research. ## Theoretical Implications The existence of super-puff planets questions current theories of planetary formation. This discovery could pave the way for new studies in astrophysics. ## Future Research Scientists are planning new observations to better understand the structure of these planets. These studies could also shed light on the discovery of other similar planets in the universe. ## Impact on the Scientific Community This discovery has generated great excitement in the fields of astrophysics and space research. Super-puff planets open a new window to unraveling the mysteries of the universe. ## Sources covering this story - https://www.nytimes.com/2026/07/17/science/space/two-super-puff-planets-discovered.html — --- _Summary written by Brifing from the original reporting. Copyright in the original article belongs to its publisher; read the full piece at the link above._