A “super-puff” exoplanet is leaking a lot of helium into space, new observations show — and may be in the process of losing a lot of its atmosphere.
A large plume of helium gas was spotted evaporating from the giant planet, known as WASP-107b,…

A “super-puff” exoplanet is leaking a lot of helium into space, new observations show — and may be in the process of losing a lot of its atmosphere.
A large plume of helium gas was spotted evaporating from the giant planet, known as WASP-107b,…