Astronomers have long searched for life within a rather narrow ring around a star, the "habitable zone," where a planet ...

Astronomers have identified a rare sednoid called Ammonite, an icy object beyond Neptune that offers new insight into the ...

The Helix Nebula is one of the most well-known and commonly photographed planetary nebulae because it resembles the “ Eye of ...

When my colleagues and I send them out to explore our solar system, it's important for us to understand the 3D map of our ...

Earth and its neighbors orbit the sun on a relatively flat plane. But what's below this plane, and is anythign below the ...

In the bigger picture, “down” could be defined as being below the plane of the solar system, which is known as the ecliptic.

Owing to the chaotic and non-integrable nature of three-body dynamics, the conventional Keplerian elements are rendered ...

Curious Kids is a series for children of all ages. If you have a question you'd like an expert to answer, send it to ...

Astronomers at Princeton University have uncovered evidence that the outer solar system is more structured than long believed. Led by astrophysics doctoral student Amir Siraj, the research points to a ...

This gas cloud located 500 light years away from our solar system is about to become a planet.This process usually takes a few hundred million years, but what if we made it happen much quicker. And ...

Far beyond Neptune, at the outer rim of our Solar System, astronomers have spotted what resembles a hidden “structure” or “band” of small worlds. The Kuiper Belt is a vast ring of icy bodies beyond ...

Astronomers have spotted an intriguing cluster of objects in the Kuiper belt, the enormous, donut-shaped region of icy objects beyond the orbit of Neptune. This latest “inner kernel” was identified by ...