making it smaller than the gas giant planet Jupiter — and one of the smallest stars ever seen in terms of volume. Related: James Webb Space Telescope makes rare detection of 2 exoplanets ...

Over the past 200 years, astronomers have cataloged over a million asteroids in the solar system's main belt, down to the ...

By reverse-engineering James Webb Space Telescope (JWST) exoplanet data, a team of astronomers just spotted dozens of tiny asteroids — including the smallest ever seen in the main belt between ...

These asteroids, ranging from the size of a bus to a stadium, are the smallest ever detected in this region ... of Earth-sized planets orbiting the star TRAPPIST-1, some of which are in ...