Wearing tags traditionally used for tracking, the marine recruits are helping scientists collect data that could one day be used to generate ocean forecasts.

A project that tracks coyotes in real time can pinpoint which animals are at risk of becoming urban pests—and which households might be to blame.

Rain forest groups trained to use GPS devices are creating maps to help win territorial disputes and protect their forests from mining and logging.

The Internet giant has signed on to help make data from what will be the largest sky survey readily available to the public.

A recently launched layer on the popular desktop globe helps young adults explore Africa as part of a campaign to increase geographic knowledge.

Weblogs from dangerous regions of Africa, Borneo, and beyond are allowing isolated rangers and other conservationists unprecedented lifelines to each other and the outside world.

Too much carbon dioxide in the atmosphere could create hazards for low-orbiting satellites that power global positioning systems, new research suggests.

Motes—sensors the size of dust particles—can be scattered about to measure everything from chemicals in the soil to scents in the air.

Using freely available satellite data, experts and amateurs alike can search the world for potential dig sites from the comfort of their computer desks.

A project known as PigeonBlog is using birds carrying high-tech backpacks to create accurate, detailed urban pollution maps. Related projects are also taking flight.

A new "layer" on the popular desktop globe Google Earth uses United Nations satellite images to show the environmental damage wrought across the world over the span of a few decades.

As tracking technology advances, your mobile devices may soon be watching every move you make, a feature that experts say could bring about revolutionary user experiences—and privacy abuse.

From predicting tsunamis to reuniting old friends, a recently published computer standard could change the way location information is used and shared online.

Armed with GPS devices and an open-source ideology, some grassroots groups are putting street maps in the hands of the people—and are smashing a few "Easter eggs" in the process.

They're not just for nerds anymore. Virtual worlds are being embraced by a variety of users as online environments expand to include concerts, classrooms, and even retail economies.