Experts say that it is only a matter of time before there are no more of the 4 billion potential combinations of 32-bit IP addresses online.
The Asia Society has released pictures showing the dramatic shrinking of Mount Everest's glaciers since George Mallory photographed them nearly 90 years ago.
Seven square miles of a Greenland glacier broke off in two days last week, leaving the calving edge of the ice sheet a mile further inland.
Boeing has unveiled a new hydrogen-powered plane that is not only one of the greenest and most lightweight aircraft the company has ever introduced, it also has the power to stay aloft for 4 days without a pilot.
Telling a robot do do something? That is so early 21st century. There's a new team of scientists working on a computer interface that could send commands to a robot simply by thinking about them.
Heat waves like the one now roasting the Eastern Seaboard are likely to become commonplace over the next 30 years, say scientists at Stanford University - even if global temperatures rise by only one degree Celcius.
Solar Impulse has successfully completed its first night flight, the first solar-powered plane to do so.
The solar powered plane Solar Impulse has begun its first 24-hour test flight, aiming to make it through the night on power collected during the day.
A UN panel report on climate change was sound, says a Dutch agency which reviewed the results after questions were raised over its accuracy.
Elextrolux is attempting to bolster its green credentials by hauling a team on a global journey - to save six vacuum cleaners' worth of plastic.
Carbon capture and storage could be as risky and hard to manage as the storage of nuclear waste, according to a Danish scientist.
One single Blu-ray Disc can now store more than 27 times the capacity of a standard DVD, as the Blu-ray Disc Association has approved a quad-layer "BDXL" standard.
In a discovery likely to fan the flames of climate change debate, a team has concluded that the thinning ice on one of Antarctica's major glaciers is not caused by global warming.
Chemists at the University of York have discovered a way of recycling waste from LCD televisions to make a substance that combats hospital infections.
Carbon dioxide has been the main factor controlling global temperatures for millions of years, according to a new study.
A new strain of bacteria has been found that could help clean up some of the nastiest pollutants in the massive Gulf oil spill.
US concern over global warming is starting to rise again - good timing, perhaps, as the US Senate prepares to vote this week on whether to block the EPA from regulating carbon dioxide as a pollutant.
A hotel constructed from rubbish collected from beaches has opened its doors in Rome.
United Nations' WED 2010 promises activities around the globe. Fish drink crude oil aperitifs at party.
The global temperature over the last 12 months has been the highest on record, according to the latest NASA figures.