On Earth, you can look up at night and see the Moon shining bright from hundreds of thousands of miles away. But if you went to Venus, that wouldn’t be the case. Not every planet has a moon – so why ...

The moons were discovered by a group of astronomers from Taiwan, Canada, the United States, and France. Between 2019 and 2021, they used the Canada France Hawaii Telescope to repeatedly monitor the ...

Searches for exomoons should target smaller rocky exoplanets, according to simulations of how Earth's moon formed. When you purchase through links on our site, we may earn an affiliate commission.

What is the difference between a moon and a planet? Trick question! According to scientific definitions, there often isn’t much of a difference at all. That might seem counterintuitive, but it’s true.

The International Astronomical Union’s (IAU) Minor Planet Center announced the discovery of three new moons in our solar system Feb. 23. Uranus has one additional moon, while Neptune has picked up two ...

Why do some planets have moons and some don’t? – Siddharth, age 6, Texas On Earth, you can look up at night and see the Moon shining bright from hundreds of thousands of miles away. But if you went to ...

A further 128 moons have been discovered orbiting Saturn, bringing the planet's total to 274 – more than there are around all the other planets in our solar system combined. But as advances in ...

So far, humanity has yet to find its first "exomoon"—a moon orbiting a planet outside of the solar system. But that hasn't been for lack of trying. According to a new paper by Thomas Winterhalder of ...

Moons outside our Solar System with the potential to support life have just become much easier to detect, thanks to research by an astronomer at University College London (UCL). David Kipping, whose ...

We argue that taxonomical concept development is vital for planetary science as in all branches of science, but its importance has been obscured by unique historical developments. The literature shows ...

Nicole Granucci does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...