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

Especially since all seven of the other planets in our solar system are about to become visible at once in a great planetary alignment. According to New Scientist: “The great alignment, including ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...

15, 2025 — New observational data and simulation models have confirmed a new type of planet unlike anything found in the Solar System ... puzzle to understand how planets and ...

from Mars through to distant Neptune? Then you will need a suitable telescope, one which can offer superb views of the other bodies in the solar system. But which one to choose? We've got you ...

Here’s what you should know when you go outside to see for yourself: Yes, the planets are indeed lined up across our sky. No, ...

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

Baker said that there are other astronomical events that may be more interesting than the parade of planets. Baker said Mars ...

While the planets won’t be perfectly aligned, their placement will follow the orbital plane of our solar system. Which planets are parading in January and February? The January planetary ...