Alien planets are incredibly common in our own Milky Way galaxy and it may be having as many as 160 ...

Sky gazers can witness Earth's three neighbours - Jupiter, Venus and Mars - appearing in conjunction...

After detecting life-bearing super-Earth earlier this month, NASA's Kepler spacecraft has discovered...

Spinning around its star some 600 light years away, Kepler-22b is 2.4 times the size of the Earth, p...

As the number of discovered planets has grown, astronomers are finding that stellar mass does seem t...

Scientists claim to have discovered a potentially habitable planet which has an environment much sim...

Astronomers claim to have found evidence which suggests that the solar system might have a fifth gia...

The observations show that Eris is an almost perfect twin of Pluto in size and appears to be covered...

Astronomers have discovered a mysterious little dwarf planet which they believe is covered in ice an...