These are among the smallest planets yet found with this observing technique. The scientists hope this will mark a new era of finding more and more planets in the universe. Most of the rocky ...

A spacecraft operated by the European Space Agency and the Japan Aerospace Exploration Agency has made its final flyby of ...

Now European Southern Observatory (ESO) thinks one of the objects floating along the main belt might be the smallest dwarf planet in our solar system — an asteroid known as Hygiea. Hygiea isn ...

According to the astronomers, these exoplanets — which are among the smallest ever discovered — could force us to reevaluate our understanding of how planets form and evolve. The four planets ...