Jupiter is pretty big, but there are other, much larger planets to be found lurking in the depths of the cosmos.
A new study has revealed details of an enigmatic star system that looks suspiciously like a spiral galaxy.
Scientists now believe that there are 100 times as many habitable worlds in our galaxy than previously thought.
Astronomers believe that there is a small chance that a rogue planet could have been 'captured' by the Sun's gravity.
For the first time ever, it will be possible to watch a live broadcast beamed directly from orbit around the Red Planet.
A response to signals sent by some of our own spacecraft could reach Earth before the decade is out, scientists say.
The encouraging discovery could indicate the presence of a magnetic field and the potential for alien life.
It turns out that Saturn and the other gas giants are not the only planetary bodies in our solar system to have rings.
Jupiter's status as the planet with the most moons in our solar system has now officially been restored.
The new rocket will be designed to enable manned missions to the Red Planet and could debut as soon as 2027.
An intriguing geological phenomenon at the center of our planet could help to explain a number of long-standing mysteries.
The newly discovered world, which is 41 light-years away, is almost exactly the same size as the Earth.
A fascinating new video has emerged showing how far it is possible to throw a ball on the other worlds in our solar system.
Situated 40 light-years away, this hellish terrestrial world is like nothing found in our own solar system.
NASA's latest Mars rover has made a discovery that could point to the presence of life on Mars in the distant past.
The space agency has confirmed that its recent mission successfully altered the trajectory of the target asteroid.
The asteroid that wiped out the dinosaurs was enormous - but it was by no means the largest ever to hit our planet.
Astronomers have announced that they have identified a relatively nearby exoplanet with the potential to host alien life.
The next-generation space telescope has achieved what astronomers are calling 'a transformative moment'.
Scientists have identified a relatively nearby exoplanet that appears to be made up almost entirely of water.