People caught and died from plague long before it caused major epidemics like the Black Death in the middle ages. Could what scientists call cultural resistance be what kept the disease under control?
Why did Earth's climate rapidly cool 12,800 years ago? Evidence is mounting that a comet or asteroid collision is to blame, with new support coming from the bottom of a South Carolina lake.
It might seem like hummingbird only eat sweet foods. Their diet is actually far more complex.
We're getting closer to having the technology need to send humans to Mars. Will it happen in your lifetime?
In baseball, a pitcher can throw a ball that seems to curve away just as it crosses the plate. How do they do it? It's all about aerodynamics.
The 2019 Nobel Prize for Chemistry recognizes the incredible advances that can be made when scientists and engineers think about problems from different angles.
The rarity of female Nobel laureates raises questions about women's exclusion from education and careers in science.
Anti-vaccine info online might have foreign roots and political aims.
Carbon dioxide makes up less than one-twentieth of 1% of Earth's atmosphere. How does this relatively scarce gas control Earth's thermostat?
If the Amazon rainforest functions as our planet's lungs, what do raging wildfires threaten? An atmospheric scientist explains why the fires, though devastating, won't suffocate life on Earth.