How do volcanoes work? What happens beneath their surface? What causes the vibrations—known as tremor—that occur when magma ...

Abstract: Autonomous robots are increasingly playing key roles as support platforms for human operators in high-risk, dangerous applications. To accomplish challenging tasks, an efficient human-robot ...

It was 1 p.m. on a typical Monday, and one of San Francisco's more enterprising parking control officers had been trawling the streets since about 6 a.m. During that time, the officer had zigzagged ...

The shutdown meant no jobs report. Here's what it would have said about the economy Chili's menu changes spark online outrage as diners 'confused' by decision Fired federal prosecutor tapes a note ...

A closely watched advisory panel to the CDC voted Thursday to tweak recommendations for a measles vaccine that includes protection against the varicella, or chickenpox, virus. The new guidance from ...