A study of polar bears in the Chukchi Sea between Alaska and Russia finds that the population is healthy for now despite a loss of sea ice due to climate change
Facebook says it is making progress on deleting hate speech, graphic violence, fake accounts and rooting out other violations of its rules, including detecting them before they are seen by users
New York and Washington's clogged streets and creaky subway systems are about to feel more pain as 50,000 more people descend on the two metro areas when Amazon opens its second headquarters there
Testing by AAA shows that electronic driver assist systems on the road today may not stay in their lanes or spot stationary objects in time to avoid a crash
Creating fire buffers between housing and dry brush and burying spark-prone power lines underground would give people a better chance of surviving wildfires, experts say
Investor Warren Buffett's company picked up nearly 36 million shares of JP Morgan Chase stock in the third quarter and eliminated its stake in Walmart as part of a number of changes in its portfolio
German automaker Volkswagen says it will convert three factories in Germany to manufacture electric cars, getting ready to ramp up production of zero-local emission cars ahead of tougher European emissions standards
U.S. Energy Secretary Rick Perry has been lobbying in Prague for the U.S. civil nuclear industry as the most suitable to develop the Czech nuclear program
A congressional advisory panel says the purchase of internet-linked devices manufactured in China leaves the United States vulnerable to security breaches that could put critical infrastructure at risk
Authorities doing the somber work of identifying the victims of California's deadliest wildfire are drawing on leading-edge DNA technology, but experts say older scientific techniques and deduction could also come into play
The key to luring Amazon to northern Virginia may not have been hundreds of millions in cash incentives but instead plans for a nearby $1 billion graduate campus that will train hundreds of high-tech workers annually
A handwritten letter written by Albert Einstein warning of the dangers of growing nationalism and anti-Semitism years before the Nazis rose to power has been sold for nearly $40,000