Observations of a distant dust-filled solar system have shed light on the process of planet formation.
Astronomers in Australia have emphasised the importance of seeking out other habitable planets.
At 127 light years distant the HD 10180 system shares many similarities with our own Solar System.
NASA executives are to make significant cuts to its exploration of other planets in our solar system.
A team of scientists has found evidence to suggest that every star in the universe has planets.
Two planets have been found that appear to have survived their star's destructive red giant phase.
SETI are back thanks to new funding and is turning its attention towards newly discovered alien worlds.
Astronomers have announced the discovery of 50 exoplanets, one of which could be habitable.
Life in the universe may be most likely to exist on desert planets rather than Earth-like worlds.
The Turanor PlanetSolar is circumnavigating the world's oceans to prove that renewable energy can work.
A giant radio telescope has started listening for signs of ET on 86 earth-like extrasolar planets.
Planets that exist on their own away from stars or orbits could potentially host alien life.
Kepler has found something unlike anything seen before - two planets sharing the same orbit.
Recent discoveries of planets outside our solar system make finding alien life seem more and more likely.
Data from NASA's Kepler telescope suggests there are 50 billion planets in the Milky Way.
It is believed that more than 50 of those discovered may be able to support life as we know it.
A 45-year-old gas worker has discovered four new planets from home in his own spare time.
Two scientists have come up with a method to detect forests on extrasolar worlds.
Astronomers have discovered two Jupiter-like planets orbiting two close sister stars.
Scientists are hopeful that a space telescope to be launched in 2014 will be able to see oceans on other planets.