Science

How a persistent winter could have its roots in global warming
Melting sea ice in the Arctic creates a ripple effect that can be felt in the lower latitudes.
The Mars rover Curiosity is humming again after being sidelined by back-to-back computer problems.
Technology Week: Becky Worley demystifies personal technology
ABC and Yahoo! News technology reporter Becky Worley aims to reduce "tech anxiety" about gadgets, apps, passwords, video, social media and more, with New York Times technology editor Quentin Hardy at the Commonwealth Club of California.
Scientists: 'No options' to stop massive asteroids on collision course
Without "a few years" warning, humans currently have no capacity to stop an asteroid on a collision course with the planet, scientists told a Senate panel Wednesday.
Rusted pieces of two Apollo-era rocket engines that helped boost astronauts to the moon have been fished out of the murky depths of the Atlantic, Amazon.com CEO Jeff Bezos and NASA said Wednesday.
Consumers abandoning some media outlets as content dwindles
Demand for news content continues to grow online, but traditional news media outlets are not equipped to handle the audience, according to the Pew Research Center.
Severe hurricanes may become more common along the East Coast
Climate change may bring bigger hurricanes more often on the Eastern Seaboard. The effect on tornadoes remains unclear.
Technology Week: Your brain on computers
Neurologist Adam Gazzaley and New York Times technology reporter Matt Richtel discuss the impact of digital devices on the brain. Do they affect our memory, perception and attention span? Are distractions and interruptions good or bad for your brain and for your survival in the modern world?
When NASA's twin spacecraft Ebb and Flow crashed into the moon last year, scientists did not count on seeing the aftermath.
Technology Week: Is technology destroying more jobs than it's creating?
Andrew McAfee of MIT speaks at the 2012 Aspen Ideas Festival about the ability of computers to replace humans in the workforce, and what it means for our economy and our lives now and in the future. He's the author of "Race Against the Machine."