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

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.

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, ...

Our Solar System is a carefully balanced celestial dance held together by a virtually perfect balance of gravity and inertia.

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 ...

Ever since Isaac Newton famously talked about gravity, its dominance as a force in our solar system has been well known. It's ...

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 ...