US fight over gunman's locked iPhone could have big impact

A U.S. magistrate's order for Apple Inc. to help the FBI hack into an iPhone used by the gunman in the mass shooting in San Bernardino, California, sets up an extraordinary legal fight with implications for ordinary consumers ...

Could Twitter stop the next terrorist attack?

Social media giants including Twitter, Yahoo, Facebook and Google are pushing back against Senate legislation that would require them to alert federal authorities of any terrorist activity, according to industry and government ...

NASA's Curiosity eyes prominent mineral veins on Mars

Two-tone mineral veins at a site NASA's Curiosity rover has reached by climbing a layered Martian mountain offer clues about multiple episodes of fluid movement. These episodes occurred later than the wet environmental conditions ...

Peru's growing capital seeks to preserve Inca ruins

Puruchuco, an ancient Incan complex, sits at the fast-moving edge of Lima's real estate boom, forcing authorities in the Peruvian capital to get creative as they seek to preserve the archeological treasure.

page 5 from 8