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

Why is Pluto no longer a planet? Discover the real reason behind Pluto’s reclassification as a dwarf planet and the science that led to this change.

According to a recent YouGov poll, 35% of Americans think Pluto is not a planet. But they are all wrong—kind of. To get to ...

15, 2025 — New observational data and simulation models have confirmed a new type of planet unlike anything found in the Solar ... of Pluto and Charon may parallel that of the Earth-Moon system.

The authors suggest that Pluto and Charon, located in the Kuiper Belt at the edge of our solar system, collided without annihilating one another before being influenced by one another’s ...

The organic ingredients to life, hints to where Earth’s water came from, and the fundamental building blocks of our planet ...

When Denton and her colleagues simulated a collision including the structural properties of Pluto and Charon ... early on in the history of the solar system, which is estimated to be 4.6 billion ...

If planets had social media accounts, the solar system would showcase a frenzy of unique personalities. Mercury tweets at ...

“The heat from the impact and subsequent tidal forces could have played a crucial role in shaping the features we see on Pluto’s surface today.” Including our solar system’s far-flung heart.

The solar system is also home to many other cosmic bodies including asteroids, moons and dwarf planets such as Pluto. What's this? Oh noooo… Stella: You should know where all the planets are ...