Scientists say Gliese 21 b has an Earth-like temperature and humans could theoretically survive.

The scar on the star was discovered by the astronomical research centre in Armagh Observatory.

University of Central Lancashire scientists used computer simulations to model how planets form.

Astronomers hope to learn how its six planets formed and whether any of them are home to life

The new space observatory sees pairs of Jupiter-sized objects floating free between the stars.

Experts are optimistic of detecting life signs on a faraway world within our lifetimes - possibly in the next few years.

A planet that should have been eaten by a huge star has baffled scientists until now.

Dr Michael Roman made the observations about the atmospheric conditions on the planet GJ 1214b.