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

February will be an awe-inspiring month for astronomy enthusiasts who will be able to the see the solar system's planets ...

All seven of the other planets in our solar system are about to become visible at once in a great planetary alignment – ...

Have you ever wondered why the planets in our solar system align along a flat plane? Discover the science behind this cosmic arrangement, from the formation of the protoplanetary disk to the forces ...

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

This runaway growth led to the formation of the gas and ice giants in the outer solar system. This first-order model of planetary growth in the solar nebula is mainly driven by temperature and ...

In January and February, a spectacular planetary parade will be visible in the night sky. The celestial alignment of Venus, Mars, Jupiter, Saturn, Uranus, and Neptune reaches its peak on January 29, ...

one which can offer superb views of the other bodies in the solar system. But which one to choose? We've got you covered with our guide to the best telescopes for seeing planets. Now's a great ...

It is not often that all the planets in the Solar System other than ours are lined up across the night sky for us to see. The ...

Scientists believe that two asteroids might be fragments of long-lost "planetary embryos" from the early solar system. These embryos, somewhere between small planetesimals and fully formed planets ...