NASA’s TESS Mission Reveals the “Puffiest” Planets Ever Found
NASA’s TESS Mission Reveals the “Puffiest” Planets Ever Found

NASA has revealed two new “super-puff” planets, giant worlds so light that their density is comparable to cotton candy. Scientists calculate that these Jupiter-sized planets are the “puffiest” worlds ever found.

Discovery Alert: An Ice-Cold Earth?
Discovery Alert: An Ice-Cold Earth?

The Discovery A candidate planet that might be remarkably similar to Earth, HD 137010 b, has one potentially big difference: It could be colder than perpetually frozen Mars. Key Facts Scientists continue to mine data gathered by NASA’s Kepler Space Telescope, retired in 2018, and continue to turn up surprises. A new paper reveals the […]