A team of amateur astronomers has discovered a new planet, six times the size of Earth and surrounde...

A group of European astronomers has for the first time detected an Earth-like planet in a nearby ste...

Scientists have reported the existence of a "diamond planet" twice the size of Earth, and eight time...

The starry-skied planets are two so-called hot Jupiters, which are massive, gaseous orbs that are bo...

Instead of a warm, wet and possibly life-bearing planet as some scientists contend, early Mars may h...

NASA's Juno spacecraft, heading to Solar System's largest planet Jupiter, has successfully completed...

Less than a year after discovering a planet orbiting two Suns, researchers for the first time have d...

Astronomers have discovered a planet two-thirds the size of earth and possibly the closest to our so...

According to a leading British space scientist, aliens may not actually resemble the little green cr...