NASA is making ambitious plans to land a second rover on Mars in 2020 and send astronauts there in the 2030s.
Japanese construction company Obayashi says it's working on plans for a space elevator that could take people to orbit by 2050.
Steve Jobs gave another presentation yesterday, the day after delivering a keynote at the Worldwide Developers Conference - to the Cupertino City Council.
The US is amongst the most expensive countries on the world for cellphone service, a study from a non-profit public policy institute has found.
Northwestern University researchers say they have developed a system that can pluck details of planned attacks from the minds of terrorists.
Neuroscientists at the University of California Los Angeles claim they can can predict your behavior better than you can.