A team of astronomers discovered a strange object in the outer solar system that is in a resonant orbit with Neptune.

The solar system’s most distant planet sits 1.1° due north of Saturn, placing them together in a single telescopic field of view all night.

Astronomers have found that a weird space rock at the edge of the solar system is locked in a rhythmic dance with Neptune.

Astronomers have discovered a bizarre object in the outer solar system, 2020 VN40, that dances to Neptune’s gravitational beat in a never-before-seen rhythm. It’s the first of its kind, orbiting the ...

Neptune and Saturn appear together in a telescope as Mars passes a star in Virgo and Titan’s shadow transits Saturn in the ...

Using the Hubble Space Telescope, astronomers have discovered a new rogue planet that was orphaned from its home planetary ...

With the new moon darkening the skies, you’ll have a rare shot at spotting the Milky Way, deep-sky galaxies, and even the ...

Ever since the International Astronomical Union recognized Haumea and Makemake as dwarf planets in 2008, University of Maine ...

Beyond Neptune, a celestial object puzzles astronomers with its synchronized motion with the giant planet. Its inclined orbit ...

It orbits its host star at a distance similar to that of Neptune's distance from the sun. 'Like a cappuccino' Maio described finding the potential planet in the disk in a uniquely Italian way.

A lone body, making one passage around the Sun for every ten by Neptune, is rewriting the rules of planetary dynamics in the ...

This object is the first confirmed body that orbits the sun once for every ten orbits Neptune completes.