Astronomers have located an Earth-sized world within the 'Goldilocks zone' of a distant solar system.
Scientists have identified what could be a natural satellite orbiting a planet in another solar system.
Recent studies have revealed that extrasolar planets are extremely abundant throughout the universe.
The record-breaking haul of newly discovered worlds comes courtesy of the Kepler Space Telescope.
The recently selected PLATO mission will focus on identifying Earth-like worlds orbiting distant stars.
Astronomers seeking signs of alien life are on the lookout for 'superhabitable' extrasolar planets.
Astronomers using the Hubble telescope have picked up signs of cloud cover on two extrasolar planets.
Astronomers believe that there could be an exoplanet orbiting a nearby pair of brown dwarf stars.
Astronomers believe that they have discovered the first moon located outside of our own solar system.
Astronomers are perplexed by the discovery of a huge planet with the most distant orbit ever seen.
The Hubble Space Telescope has picked up signs of water in the atmospheres of several distant worlds.
Scientists believe that our universe is filled with far more habitable planets than previously thought.
Kepler 78b is 400 light years away, is a similar size to the Earth and has a surface covered in lava.
Since 1992 the number of planets discovered orbiting distant stars has been growing exponentially.
Astronomers have identified a nearby extrasolar planet with a particularly unusual atmosphere.
Astronomers believe that the moons around extrasolar planets may not be good candidates for life.
Japanese scientists have identified an extrasolar planet that could be a prime candidate for life.
In a world first astronomers have been able to determine the true colour of an extrasolar planet.
Astronomers have identified an extrasolar planet that is a top contender in the hunt for alien life.
At 127 light years distant the HD 10180 system shares many similarities with our own Solar System.