This month, six of the planets will be visible in the night sky in an event called a planetary parade. Here’s how kids can ...

We've rounded up the best telescopes for kids. Is there a budding stargazer in your family? Maybe you're trying to cultivate a child's interest in our solar system? If you're looking for one of ...

Six of our cosmic neighbors are expected to line up across the night sky tonight, in what has been dubbed a "planetary parade ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...

The enormous visitor to our solar system may have been about 8 times the mass of Jupiter, and come nearly as close to the sun ...

Alignments of five or more planets are rare—there will be two more featuring five or more planets this year, but after that ...