What's special about Chiron's rings is that they're still forming; this marks the first time astronomers have ever seen a ...

Astronomers detected a bright signal, coming from deep inside a dust disc, that is likely newborn planet HD 135344B still ...

A recent study introduces the idea of Planet Y, a theoretical world that could explain strange gravitational behavior beyond Neptune. Published in Monthly Notices of the Royal Astronomical Society: ...

A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...

The methane gas may constitute a rarefied atmosphere, or it may come from erupting plumes on Makemake’s surface.

"The ability to model how complex orbits—such as halo, and quasi-halo orbits—emerge around the unstable collinear Lagrange points enables better trajectory design using these points." However, a ...

Pluto's unusual eccentricity and tilt is likely due to its interactions with neighboring Neptune and other giant planets, ...

REDONDO BEACH, Calif. & TOULOUSE, France--(BUSINESS WIRE)--Impulse Space, the leader for in-space mobility, and Infinite Orbits, the France-based in-orbit services company, have reinforced their ...

A concept graphic of Infinite Orbits' Orbit Guard Space Domain Awareness microsatellite, released in August 2025. (Infinite Orbits) France's Directorate General of Armaments (DGA) on behalf of French ...

Trans-Neptunian objects (TNO) are some of our solar system's lesser-known objects. They number in the thousands, and they get their name from their orbits. These dwarf planets orbit the sun at a ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. An illustration of confirmed dwarf planets and their moons. From left to right: Pluto (with ...