How Big Is the Milky Way?
Our home galaxy is bigger than previously thought. ...read more
Category: Discover Magazine
African Americans Are at Higher Risk for Alzheimer’s, But Why?
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
Most Adults Don’t Need to Get Routine Boosters for Tetanus, New Research Shows
Adults who were fully immunized as children are protected against tetanus and diphtheria — and do not need booster shots. ...read more
California’s Snowpack Shrivels, Raising Fears of Future Wildfires
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
Food Waste Is a Serious Problem. Here Are 9 Ways to Throw Away Less Food
A third of all food produced is lost or wasted. Here are some strategies to waste less food in your home. ...read more
NASA’s InSight Lander Detects Hundreds of ‘Marsquakes,’ Proving Mars is Seismically Active
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
How Do Black Holes Form?
Some black holes form when a massive star collapses onto itself. But many mysteries still remain around these strange objects. ...read more
African Killfish Can Put Aging on Pause. Do They Hold the Secrets of Longevity?
As the fish's embryos enter a hibernation-like state, their DNA changes and keeps tissues from aging or deteriorating. ...read more
How Cold Is It in Outer Space?
Even the coldest places on Earth do not compare to how frigid outer space is. ...read more
Could Alien Life Travel on Interstellar Asteroids and Comets like ‘Oumuamua?
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