An curved arrow pointing right. 55 Cancri e – a planet eight times the size of Earth – is 40 light-years away. Astronomers just found out what its air is made of. Produced by Matthew Stuart.

The so-called super Earth — known as 55 Cancri e — is among the few rocky planets outside our solar system with a significant atmosphere, wrapped a blanket of carbon dioxide and carbon monoxide.

Super-hot super-Earth and still cooler than expected Although 55 Cancri e is similar in composition to the rocky planets in our solar system, describing it as "rocky" could leave the wrong impression.

NASA’s James Webb Space Telescope has discovered 55 Cancri e, a super-Earth located 41 light-years away. This planet, five times larger than Earth, has extreme temperatures reaching 2,400°C and ...

A unique planet named 55 Cancri e was discovered ... the extreme and diverse conditions that function beyond our solar system. The milky way is a fascinating space, one that leads to new ...