Astronomers have for the first time detected ingredients in the atmosphere of a super-Earth, an exotic type of exoplanet of which there is no parallel in our solar system: It's larger than our home but not as large as a gas giant. (sciencemag.org)
Learn about the discovery of exoplanets in the TRAPPIST - 1 system in this 2017 video from NASA's Jet Propulsion Laboratory. (britannica.com)