Four planets orbiting a newly born star in our galaxy are so light that they have the density of polystyrene, and could provide a key missing link in helping us understand how the most common ...

Do you know which planet could float in a giant bathtub? Discover the science behind its low density, its hundreds of moons, and its famous rings.

An unusual planetary system with three known ultra-low density 'super-puff' planets has at least one more planet, according to new observations. An unusual planetary system with three known ultra-low ...

Measurements of the masses of exoplanets orbiting a young star have identified a system of low-density ‘super-puff’ planets. Read the paper: A young progenitor for the most common planetary systems in ...

A young planet named HIP 67522 b is one of the lowest-density worlds ever spotted 1. The giant gas planet, which was discovered several years ago, is about the size of Jupiter and whizzes around its ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London. Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and ...