This week's Question: Mars One, a group that plans to send humans on a one-way trip to Mars, has narrowed its application pool from 200,000 to 100. The finalists will spend the next decade in training, including team-building exercises and isolation. The goal of the Netherlands-based non-profit is to start a...

This week's Question: New apps, including one created by West Virginia University students in 2014, uses advanced facial recognition and liveness detection capabilities to authenticate smartphone users. A free technology from Hoyos Labs, showcased at this year’s Consumer Electronics Show in Las Vegas, similarly...

If selected for a NASA flight mission, the Ocean Radiometer for Carbon Assessment (ORCA) instrument will study microscopic phytoplankton, the tiny green plants that float in the upper layer of the ocean and make up the base of the marine food chain.

This week’s Question: As an increasing number of automakers develop autonomous or semi-autonomous cars, some critics are concerned that the number of vehicles on the road will be reduced and jobs will be lost, especially those in motor vehicle parts manufacturing and professional driving sectors. What...