The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

While the composition of gas and dust in a molecular cloud is fairly uniform, everything changes once a star begins to form.

Monroeville Public Library is holding a three-part children’s series on space, where participants learn fun facts about the ...

Canadian astronomers have taken an extraordinary step in understanding how planets are born, using the James Webb Space ...

The eight planets in our solar system orbit the sun in roughly the same plane, because they all originally formed from the same disc of debris around the sun. The line the sun traces across the ...

These embryos, somewhere between small planetesimals and fully formed planets, were abundant during the solar system's formative stages and played a critical role in planetary formation.

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit before shoving four of the solar system's planets onto a different course.

There are eight planets in the solar system, and each travels on its own path around the sun. But of these planets, which is nearest to the sun? Mercury is a strange little world. There are some ...

In 2023, the European Space Agency reported on Solar Orbiter's discovery of tiny jets near the sun's south pole that could be powering the solar wind. The team behind this research has now used even ...

If you get the question in Trivial Pursuit “how many plantes are there in the Solar System ... orbit around the Sun on a more or less flat plane like the eight planets.

A new type of exoplanet has been discovered: Enaiposha, also known as GJ 1214 b. Long heralded as a mini-Neptune, new observations have indicated that it is a member of a category never seen before ...