Astronomers have uncovered a pair of giant planets that are lighter than cotton candy—super-puffs the size of Jupiter.

A pair of giant planets circling a star more than 1,100 light-years from Earth looks almost too bloated to be real. Each ...

An international collaboration has discovered two of the lowest-density giant planets ever detected: rare "super-puff" ...

There are planets that make Earth look small. And then there are planets like TOI-791 b and TOI-791 c; two enormous worlds ...

The featherweight pair — orbiting a star 1,110 light-years away — are the biggest exoplanets found to have less density than ...

Astronomers have discovered two Jupiter-sized planets, designated TOI-791b and TOI-791c, orbiting a distant star, and they ...

A pair of sibling gas giants originally spotted by citizen scientists are so lightweight that their density resembles wispy ...

“Only a handful of these super-puffy planets are known,” Dr. George Dransfield of the University of Oxford said ...

Two ‘super-puff’ planets lighter than cotton candy have been discovered by scientists—and they’re bigger than Jupiter.

Astronomers have discovered two planets the size of Jupiter, but get this: their densities are so low, they’re estimated to ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Mars and Jupiter were last night involved in their closest ...