Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.

Like a celestial parade across the cosmos, five bright planets are lighting up the night sky and visible with the naked eye ...

A perfectly square-shaped structure on Mars, 3 kilometers wide, spotted in NASAs Mars Orbiter Camera images has sparked ...

"During early Mars history, the planet is believed to have been warmer ... is a rock with "leopard spots" nicknamed "Cheyava Falls," after a Grand Canyon waterfall. The rock contains phosphate ...

The Perseverance Mars rover has collected a rock sample ... been thrust up to the Red Planet surface from deep inside the planet after an ancient impact billions of years ago.

If you missed seeing the alignment of six planets in the sky in January, don't worry. Another one is coming up in February.

Here's when to watch next full moon and February's planetary parade across the night skies, starting with shiny bright Venus before Valentine's Day.

A mysterious square formation on Mars has caught the attention of SpaceX founder Elon Musk, who expressed his desire to ...

Burrowing under soil opens up a whole new world, especially when that soil is on other planets. Getting under the top layer ...