Planets with two suns like Luke Skywalker's homeworld may be as common as planets orbiting a solitary star.
Scientists have announced the discovery of 139 new objects situated in the far reaches of our solar system.
Scientists have identified an extrasolar planet with some of the most hostile surface conditions ever seen.
A surprisingly large number of people in Brazil subscribe to the idea that our planet is not what it seems.
Scientists now believe that the entire planet was covered in water and devoid of continents in the distant past.
New Horizons' encounter with a Kuiper belt object has turned what we know of planet formation on its head.
This humbling image of our world taken from far away has been honored this week with a modern remaster.
It is often suggested that alien life could have reached Earth on a comet, but what about the other way around ?
Scientists have identified the oldest material ever to make it onto our planet - and it even predates the Sun.
If successful, the mission will be the first ever to remove a piece of space junk from Earth's orbit.
Astronomers have discovered a huge planet orbiting the burnt-out husk of a star that was once like the Sun.
It turns out that planets could orbit a black hole in much the same way as our own planet orbits the Sun.
A new paper has suggested that we may have no choice but to spread microorganisms to the Red Planet.
NASA's chief scientist Dr Jim Green is optimistic that the next rovers to visit Mars will find evidence of alien life.
The undiscovered theoretical planet in the outer reaches of our solar system may actually be a black hole.
Palaeontologists have identified one of the largest flying creatures ever to live on planet Earth.
Water vapor has been identified on what is being hailed as the most habitable exoplanet found to date.
Elon Musk has hinted that SpaceX's next-generation interplanetary spacecraft could be absolutely huge.
It may be possible to detect signs of extraterrestrial life on a distant world by picking up its biofluorescence.
The SpaceX CEO has long held the belief that nuking the Red Planet could make it more habitable for humans.