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

Mississippi stargazers will be able to see 4 or 5 planets in the night sky with their naked eye this month. Will you be able ...

A supposed square structure spotted on Mars sparked speculation about alien archeological sites on the red planet. It's a fun idea, but the reality is more mundane.

The ripples suggest that the lake was free of ice at one point.

Right now, Mars is a ... would be nothing like E.T. – they would look more like the simplest terrestrial single-celled organisms. Looking further afield, more than 5,500 planets have been ...

Mars and Uranus will appear further east. Jupiter, the largest planet, has a light tan color and outshines everything except Venus. While planets look like bright stars, they don't 'twinkle'.

NASA's Curiosity rover photographed remnants of rippling waves in an ancient Martian lakebed, proving that the Red Planet had ...