It seems 2025 will have a strong start, too, with a planet parade just a few weeks into the new year. A planet parade is when ...

Test your knowledge on our solar system, from the biggest and smallest planets to the behemoth mountain on Mars.

Encountering Neptune in 1989, NASA’s Voyager mission completed humankind’s first close-up exploration of the four giant outer ...

Encountering Neptune in 1989, NASA's Voyager mission completed humankind's first close-up exploration of the four giant outer ...

For billions of years, it's kept our ... solar system. The solar system is approximately 4.6 billion years old. Astronomers believe that roughly 100 million years into its existence, the planets ...

Jupiter, the largest planet in the solar system, will be visible to sky gazers on Earth. Here’s when to look out for it and ...