Recent news coverage of environmental destruction and global warming can dishearten a hard-core optimist. People&rsquos fear of Earth being uninhabitable in a few decades is rather rational and very worrisome. However, NASA&rsquos discoveries come as a tiny relief to us as it&rsquos Transiting Exoplanet Survey Satellite (TESS) found three new exoplanets (planets found outside our solar system) that seem to be of interest to Earth&mdash GJ 357 d in particular.