1 billion, $.007, 200 million, 13 years, 3 months, 2 million, 2, 2 years, 20-30, 100 percent. Do you know what these numbers mean?

The National Security Agency is collecting almost 5 billion cellphone records daily from around the world, meaning the NSA is tracking individuals movements in ways previously unknown.

Virtual reality simulations are being used to treat soldiers with a kind of therapy that predates the technology.

From smart phones to solar panels, tech equipment uses a lot of metals that don't have a good substitute.

After some false starts, private rocket maker SpaceX launched a rocket carrying a large commercial satellite into outer space yesterday.

New gaming technology could change the way autistic children learn social communication.

This holiday season there are more kinds of gadgets for kids — and many more ways for parents to control access.

The city council in New York is considering the same restrictions for e-cigarettes that already exist for regular cigarettes.

Video games can help people on and off the autism spectrum interact physically and socially.

Kara Stone, an artist and video game designer, talks about her video game "Medication Meditation," which explores what it's like to have a mental illness by recreating the therapy process.