IT’S been nearly 40 years since the first planet outside of our Solar System was discovered. Since then, more than 5,800 ...
A new world has just been found orbiting a Sun-like star only 20 light-years away, and it could be one of the most promising ...
For a planet to be habitable, it needs to be within something called the "Goldilocks" zone - where water can exist in liquid form on the planet's surface. Kepler-452b could be habitable ...