A recently published study has concluded that rising methane levels may not all be due to human activity.
Evil galactic overlords and hostile aliens are often threatening to vaporize the Earth in science fiction novels and films.
With the weather we're currently getting in the UK, it's hard to believe that the Earth is short of water. But at less than one percent of the planet's total mass, there's not nearly as much of the stuff as scientists would expect.
Microsoft’s Larry Hyrb confirms Mass Effect 3: Earth DLC will roll out on July 17 for Xbox Live and the PC.
Space portals allowing travelers to navigate vast distances between the stars have long been a theme in popular science fictions stories such as Stargate.
European Space Agency (ESA) astronaut André Kuipers is running experiments on the International Space Station (ISS) to help scientists improve their understanding of conditions deep inside the Earth.
Asteroid 2012 LZ1 - discovered on June 12 - was recently classified as potentially hazardous by the Minor Planet Center because its preliminary orbit brings it close to Earth (within 20 lunar distances).
There could be many more small planets than previously thought, thanks to the discovery that they don't need to form around stars rich in heavy elements.
Google's promising a range of new features for Google Maps and Google Earth, hoping to see off a potential threat from Apple.
We're perhaps just decades away from the tipping point that could alter the planet irreversibly, an international group of scientists has warned.
By rights, the much fainter sun two billion years ago should have left Earth as a giant snowball, incapable of developing life.
A new chemical analysis of lunar material collected by Apollo astronauts in the 1970s appears to disprove theories that the moon was created through a massive collision between Earth and a Mars-sized object 4.5 billion years ago.
Scientists have concluded that the Earth's early atmosphere was loaded with greenhouse gases - by examining fossilized raindrop impressions.
Scientists say they've found more evidence of a major impact by a comet or asteroid, some 13,000 years ago.
By observing the way the moon reflects light from the Earth, astronomers have established that there's life on our planet - not as pointless as it seems, as the technique could help find life elsewhere.
The stricken Russian spacecraft, Phobos-Grunt, is likely to crash to Earth on Sunday or Monday, say scientists tracking its path.
NASA's Deep Space Network antenna has captured new radar images of Asteroid 2005 YU55 as it approaches Earth in what's set to be the closest approach of a big asteroid ever recorded.
Ever wondered exactly what would happen if a massive meteorite hit the Earth? Princeton University scientists can show you.
The Earth is enveloped in a strong-to-severe magnetic storm, following a large solar eruption yesterday morning.
Using data from the STEREO spacecraft, researchers at Southwest Research Institute and the National Solar Observatory have released a video of a coronal mass ejection in 2008 swallowing up the Earth.