Some extrasolar planets that appear to be habitable may have lost the capacity to support life long ago.
Scientists have discovered that there is another core nestled deep within the inner core of our planet.
Scientists in Australia have determined that Earth-like planets are likely to be commonplace.
Astronomers have found a planet with rings over 200 times larger than those found around Saturn.
A solar system dating back billions of years points to the likelihood that Earth-sized worlds are common.
Astrobiologists believe that they have found evidence of alien life in our planet's atmosphere.
Evidence suggests that two planets larger than the Earth may be present in the outer solar system.
Scientists are experimenting with new ways to explore volcanic fissures and vents on other planets.
The newly found Kepler 438b is being hailed by astronomers as the most Earth-like world ever found.
NASA's explorary orbiter is due to go in to orbit around the enigmatic dwarf planet in March 2015.
A team of science students is hoping to become the first to grow plants on the surface of the Red Planet.
Moscow State University will be storing the DNA of every living creature on the planet.
Alexander Gerst has created a breathtaking visual record of our planet as seen from space.
A future manned mission to Venus could see astronauts piloting blimps around the planet's atmosphere.
NASA's Kepler space telescope has made its first discovery since being crippled by a technical fault.
Scientists have determined how huge sand dunes up to 300ft high managed to form on the Saturnian moon.
A chunk of rock that landed in Morocco may hold evidence that life once existed on the Red Planet.
Scientists have identified an invisible shield around our planet that protects us from deadly electrons.
Curiosity has located a ledge of rocks that could hold important clues about the origins of the planet.
Speculation is rife over the purpose of a secretive Russian spacecraft currently orbiting the planet.