Stars of the new sci-fi film "The Martian" held a video Q&A with NASA astronauts Scott Kelly and Kjell Lindgren, and things got funny when Kelly revealed his most important task on a shuttle mission.
Fossilized bacteria trapped with a flea from millions of years ago could have something to tell us about the history of the much-feared Black Death.
A new technology called Freevolt converts the babble of radio waves into electrical power that can run wireless sensors and other devices.
Technically Incorrect: A $250,000 underwater robot is mistaken for a big fish by a shark. Oh, calamity.
A 60-year-old is the first person in a test to see whether the foundational cells can help reverse a vision problem called macular degeneration. Early results should arrive in December.
Technically Incorrect: If you see a spider on your car as you're filling up, taking your lighter out and trying to burn the spider to death is not scientifically optimum.
NASA's 3D Printed Habitat Challenge has come to an end, with the top prize going to a conical house that would be made of ice.
A genomics institute in China plans to bring a brand new kind of pet into the world -- customizable mini-pigs.
Technically Incorrect: The director of "The Martian" says NASA showed him revealing photos of the Red Planet while he was in production for the new movie.
Nothing says "Christmas spirit" like seeing Mr. Spock succumbing to radiation poisoning.
An endangered sea turtle surprises scientists by showing off an otherworldly glow underwater.
Using a non-invasive brain-control interface, engineer Chip Audette controlled a balloon shark by closing his eyes.
CNET bought a house!
Take a look inside the house where we will be testing connected locks, thermostats and other smart home products so we can tell a complete story.