African Americans face higher risks for many diseases. This is partly due to poverty, discrimination and lack of access to care. But there may be something different about the higher rates of Alzheimer's. ...read more
Adults who were fully immunized as children are protected against tetanus and diphtheria — and do not need booster shots. ...read more
Meanwhile, the Colorado Rockies have so far received a bounty of snow. But new research portends a dry future ahead for 40 million people in the western U.S. and Mexico. ...read more
A third of all food produced is lost or wasted. Here are some strategies to waste less food in your home. ...read more
The first working seismometer on Mars has detected 174 marsquakes in just 10 months. The results confirm that the Red Planet is both seismically and volcanically active. ...read more
Some black holes form when a massive star collapses onto itself. But many mysteries still remain around these strange objects. ...read more
As the fish's embryos enter a hibernation-like state, their DNA changes and keeps tissues from aging or deteriorating. ...read more
Even the coldest places on Earth do not compare to how frigid outer space is. ...read more
The theory of panspermia — the idea that simple life can travel from world to world — is back in the limelight after several interstellar objects were discovered in our solar system. ...read more
Equipped with air quality sensors, an African American neighborhood in Charlotte, North Carolina, is trying to reverse decades of environmental injustice. ...read more