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.
Scientists have identified a relatively nearby exoplanet that appears to be made up almost entirely of water.
A new study has suggested that extraterrestrials could hitch a ride across the cosmos on rogue extrasolar worlds.
Known as 'trioxides', these highly reactive chemicals could be contributing to health and environmental problems.
These giant 'scratches' on the surface of the Red Planet were captured on camera by ESA's Mars Express orbiter.
A theoretical new type of telescope could make it possible to obtain close-up views of extrasolar worlds.
The act of destroying the Moon was put forward as a way to solve many of our planet's problems.
Over the last 30 years, scientists have succeeded in identifying a staggering 5,000 planets in distant solar systems.
The potential existence of an undiscovered planet in our own solar system has intrigued astronomers for years.
A new study has looked into the possibility that our planet is not simply a ball of water, metal and rock.
Scientists have discovered a previously unknown opening situated 62 miles beneath the planet's surface.
Astronomers have identified a new extrasolar planet that is thought to be comprised of more than 80% iron.
A diamond that originated deep beneath the planet's surface has been found to contain a new type of mineral.
Evidence of a planet has been found in a distant galaxy 28 million light years away.
Caves dotted around the surface of the Red Planet could provide a safe haven for future human explorers.
Scientists searching for life-bearing exoplanets have identified a new class of potentially habitable world.
Scientists have identified a mammoth that roamed a distance equivalent to circling the entire planet twice.