Researchers have discovered more than 6,000 exoplanets in our Milky Way. Of these, the sub-Neptune class, which are smaller than Neptune and more massive than Earth, are the most common. These planets ...
Telescope scans showed it shining steadily about 11,000 light-years from Earth, near the constellation Puppis. But when Anastasios Tzanidakis was looking through data from 2020, he noticed the star’s ...