Scientists found an intriguing world in our galaxy.

Today, with 8 billion humans on this planet, the few wealthy countries are extracting natural resources at alarming rates, ...

A planet that may support alien life has been discovered less than 20 light-years from Earth. The "promising" super-Earth - ...

The fact that the cold, dry Mars of today had flowing rivers and lakes several billion years ago has puzzled scientists for ...

While planets circle the sun in what's called and heliocentric orbit, they rarely fall together in what appears to the human ...

Mercury, the closest planet to the Sun, completes an orbit – a year for the planet – in 88 days. Earth's year, of course, is 365 days, while at the upper end, Neptune takes a whopping 60,190 ...

The surface of Venus is dry and rocky with lava flows across parts of the planet. It takes Venus 243 Earth days to spin round on its axis but only 225 days to complete an orbit of the Sun.