Pluto may have got romantic to capture its largest moon, colliding and engaging in a passionate but icy 10 hour kiss with ...

Did you know that Mars at opposition is a special time when Earth and Mars are closest? This happens when Earth passes ...

Mars is known as the 'Red Planet.' Learn about its reddish hue, caused by iron oxide, its position as the fourth planet from ...

The Red Planet will be at its closest point to Earth, also known as perigee, on Jan. 12 and will be exactly opposite the sun ...

Pluto likely acquired large moon Charon in a “kiss and capture” collision billions of years ago. It may have created a ...