Deep space travel has a biology problem. Human bodies are built for a narrow band of temperatures, gravity and radiation, yet ...

For $150, companies say they can measure microplastic levels in our blood. CNN’s Sandee LaMotte speaks to experts about rising anxiety over microplastics and whether it’s helpful to pay for a test.

The Treedix multifunction USB cable tester identifies which cables work as intended, and which belong in the recycling bin.