A new study has proposed the existence of Planet Y, an alternative Planet Nine candidate that is smaller and closer to Earth ...

There are a couple of ways that scientists can date planets, so which planets formed first in our solar system?

A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...

When you look at the solar system, you might notice that the planets' orbits are tilted, and oddities in the protoplanetary ...

A mysterious space object named 2023 KQ14, nicknamed “Ammonite,” challenges theories about the mysterious and possible Planet ...

One of the most notable properties of the giant planets in our solar system—Jupiter, Saturn, Uranus and Neptune—are the ...

NASA unveiled the result of the research that analyzed over 40 years worth of old satellite data to add more into the ninth ...

We actually know very little about what's going on inside Uranus and Neptune, causing researchers to propose that these ...

Our solar system is a smashing success. A new study suggests that from its earliest period—even before the last of its ...

From lava worlds to gas giants, NASA says the variety of these worlds is staggering—and that signs of a further 8,000 distant ...

Damanveer Singh Grewal suggests that planetesimals in the early solar system emerged from a succession of high-energy ...

While its star projector leaves a lot to be desired, the Science Can Solar System Planetary Projector is a fantastic educational tool for kids, with its solar system model, complete with talking ...