Think you know your way around the solar system? From the scorching surface of Mercury to the icy edges of Neptune, our planetary neighborhood is full of wonders. The order of the planets isn’t just ...

Are planets in the solar system that are closer to the Sun older than the ones further away? – Gavriel, age 10, Paducah, Kentucky A cloud of collapsing gas created our Sun, the first thing to form in ...

The much-heralded planet parade of 2025 is reaching its climax – and its end. This week, seven planets will briefly share the night sky, though there are a couple of caveats to consider: first is that ...

NEW YORK — Six planets grace the sky this month in what's known as a planetary parade, and most can be seen with the naked eye. These planetary hangouts happen when several planets appear to line up ...