Beyond Neptune, a celestial object puzzles astronomers with its synchronized motion with the giant planet. Its inclined orbit challenges current models of the outer Solar System. Discovered by an ...

What can sub-Neptunes, exoplanets whose sizes are between Earth and Neptune, and which are between the known for their water-rich compositions, teach astronomers about both where and how to find life ...

What would happen if you obtained space-bending abilities and decided to test them out by placing Earth between the two asteroid belts in our Solar System? The short answer is you might be asking for ...

A newly discovered warp in the outer Solar System may have been created by a small, rocky world, much closer to the Sun than ...

As telescopes have become more powerful, it's turned out our solar system is not the only game in town: There are millions of ...

Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers have detected a new exoplanet ...

We actually know very little about what's going on inside Uranus and Neptune, causing researchers to propose that these planets be called "rocky giants" instead. Astronomers have long called Uranus ...

Astronomers have found GJ 251 c, a rocky planet. It is a super-Earth located only 18 light-years away. This planet is in its ...