Scientists have determined that the Earth and moon are made up of material from two separate worlds.
Astronomers have identified what is believed to be the largest solar system ever discovered.
Even if we do find a habitable planet, could its indigenous life forms have already died out long ago ?
Astronomers in the US believe that there could be a large undiscovered planet in our own solar system.
A new body has been set up to help co-ordinate efforts to protect the Earth from apocalyptic asteroids.
British astronaut Tim Peake dialed up an unsuspecting pensioner and said, 'hello, is this planet Earth ?'
Our planet may be at higher risk from a large comet impact than from a conventional rocky asteroid.
A potentially habitable terrestrial planet has been discovered in the relatively nearby Wolf 1061 system.
Researchers have identified what could be two new large planets in the outer reaches of our solar system.
Scientists have finally determined what the dwarf planet's mysterious bright spots actually are.
Phobos, one of the two small moons of Mars, could eventually break apart and encircle the planet.
Astronomers have been able to map the weather conditions of an extrasolar planet for the first time.
A newly identified extrasolar planet is so close by that it should be possible to observe its atmosphere.
Astronomers have discovered a dwarf planet located three times further away from the sun than Pluto.
Scientists have revealed that a high-speed asteroid will streak past our planet at the end of the month.
The latest discovery on pluto has revealed that the dwarf planet is pockmarked with small round pits.
Scientists have revealed new findings about the Pluto-sized ball of iron at the center of our planet.
The SpaceX CEO proposed the unconventional idea as a way to terraform the planet for humans to live on.
Members of the public have been asked to help determine what to call 32 distant extrasolar worlds.
Astronomers have identified the smallest ever exoplanet to be directly photographed through a telescope.