Science

Grooves on Mars' moon are signs that it's slowly shattering, NASA says
Spinning in orbit just 3,700 miles above the Mars' surface, the planet's largest moon, Phobos, seems to be undergoing a "structural failure."
Earth selfie: A tropical storm forms
Each week, we bring you an Earth selfie, straight from deep space, courtesy of NASA.
As kids go online, new tools for parents to spy
As kids get online earlier and stay there longer, a new crop of technology is evolving to limit what they can see -- and to spy on their every move.
Researchers reveal how climate change killed Mars
Mars used to be much warmer and wetter than it is today. Scientists are unraveling the mystery of why it dried out.
Physicists probe antimatter for clues to how it all began
Physicists don't know why there's more matter than anitmatter in our universe. New research smashed together atoms of pure gold to look for clues.
Earth selfie: Cyclone Chapala
Each week, we bring you an Earth selfie, straight from deep space, courtesy of NASA.
Children and technology: The empathy problem
Face-to-face conversation is the most human thing we do, writes Sherry Turkle. But technology can lead us to do less of it.