A study shows that not only do astronaut's genes change in space, but they have the potential to remained changed even months after the astronaut is back on Earth.
Gas and oil companies pay royalties to millions of American landowners. But a growing number accuse energy companies of cheating them out of their fair share.
Are playgrounds in the U.S. too sterile and risk-averse to help our kids thrive? Anthropologist Barbara J. King considers play and child development in evolutionary perspective.
E.coli bacteria, each cell trapped in a tiny tube, are giving researchers the chance to study the pace and effects of single genetic mutations. Most mutations, the scientists find, aren't harmful.
NASA is building a new space-based laser communication that will allow live, high-definition video from Mars and beyond — something that's not possible with standard radio equipment.
When Einstein, born 139 years ago on Wednesday, came onto the science scene, physics was in crisis. New ideas were badly needed — it was the perfect moment for a trailblazer, says Marcelo Gleiser.
His mental genius and physical disability made the renowned British physicist a household name. On Wednesday, people around the world grieved Hawking's death.
Hawking was a theoretical physicist who changed how scientists think about gravity. He also wrote the best-selling book A Brief History of Time and lent his machine-aided voice to TV shows. He was 76.
The most successful technologies are so seductive, user-friendly, and so apparently innocuous that we hardly notice them entering our lives, says Jimena Canales. One such technology? The pushbutton.