Court: Warrantless cellphone tracking not illegal search

Investigators do not need a search warrant to obtain cellphone tower location records in criminal prosecutions, a federal appeals court ruled Tuesday in a closely-watched case involving the rules for changing technology.

Lights out in Australia as Earth Hour kicks off

The Sydney Harbour Bridge and the sails on the nearby Opera House went dark Saturday, as lights on landmarks around Australia were switched off for the global climate change awareness campaign Earth Hour.

Google, Facebook update contrasting plans to connect world

Sci-fi solutions or making friends one at a time? Google and Facebook want more people online, searching around and clicking on ads. And they are finding new ways to make it happen—from selling smartphone data plans, to ...

Appeals court considering warrantless cellphone tracking

(AP)—Now that the cellphone in your pocket can be used to track your movements, federal appeals judges in Atlanta are considering whether investigators must get a search warrant from a judge to obtain cellphone tower tracking ...

Mobile radio passive radar makes harbors safer

Many coastal areas and harbors go almost unprotected against acts of terror. Soon a new sensor system relying on signal echoes from cell towers can quickly detect even the smallest of attack boats. This mobile radio passive ...

California solar tower that can kill birds dropped

A solar-energy company has dropped a proposal to build a 75-story tower in California that uses a new kind of technology that can cause some birds to ignite in midair.

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