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About

Robert D. Wells is a leading figure in exoplanetary science, best known for his pivotal role in the SPECULOOS project—a dedicated search for habitable planets transiting ultracool dwarf stars within 40 parsecs of Earth. His research focuses on detecting Earth-sized worlds around the smallest, coolest stars, where atmospheric characterization via next-generation telescopes like the James Webb Space Telescope is most feasible. Wells’s most-cited work, the 2020 SPECULOOS development paper, outlines the project’s strategy to survey the nearest ultracool dwarfs, aiming to uncover planets uniquely suited for studying habitability and biosignatures. This foundational contribution has shaped the field’s shift toward targeting M-dwarf systems, with the paper accumulating over 5 citations as a key reference for transit surveys. Beyond SPECULOOS, Wells has advanced techniques for detecting and validating exoplanets, including work on the TRAPPIST-1 system. His achievements include leading the SPECULOOS Southern Observatory in Chile and contributing to the discovery of temperate, rocky planets. Wells’s work bridges observational astronomy and astrobiology, driving the search for life beyond our solar system.