The James Webb Space Telescope has discovered an exoplanet using the direct-imaging technique. The host star's light was ...

First, we know that myriad small bodies orbit the Sun between Mars and Jupiter. These objects are the asteroids that comprise the main belt. Astronomers estimate that 1.1 million to 1.9 million ...

The majority of known asteroids orbit in the main belt between Mars and Jupiter. It is unlikely that the many bodies here were ever part of a single planet.