NASA’s James Webb Space Telescope (JWST) has detected the best evidence to date for the existence of an atmosphere around a rocky exoplanet.

• The discovery could aid the continued search for habitable planets outside our solar system.
• 55 Cancri e” is a hot rocky planet orbiting a star 41 light-years from Earth.
• Its orbit is just 2.25 million km from its host star, so close that the planet’s surface is likely molten.
• The planet is twice as big as Earth, making it a “super-Earth.