The questions kids ask about science aren't always easy to answer. Sometimes, their little brains can lead to big places adults forget to explore. With that in mind, we've started a new series called ...

If we replaced our Moon with every single planet in our Solar System, this would be your POV.

Imagine for a moment that Earth suddenly shrank to the size of the Moon, while the Moon expanded to the size of Earth. How would life on our planet change? Could humans survive this dramatic cosmic ...

Late at night, as I was writing, I looked up to see the bright moon hanging outside my window, and a fascinating hypothesis suddenly flashed through my mind: What if the Earth's satellite were not the ...

"The profile of the occultation was most consistent with it being a new satellite — a new moon — going around Quaoar." ...