As atmospheric carbon dioxide levels rise, rice plants - the primary food source for more than 3 billion people - produce fewer vitamins and other key nutrients.
"Based on our observations, we believe that seismic hazard in California is something that varies over time and is probably higher than what people have thought up to now."
It's getting harder for wild animals to find human-free spaces on Earth. New research suggests that human disturbance is creating a more nocturnal natural world.
Kilauea volcano's Fissure 8 has produced a large, channelized lava flow that's acted like a river, eating through the landscape, finally producing clouds of steamy, hazardous "laze" as hot lava meets the cold ocean.
Scientists just learned that honeybees can understand the concept of zero. That puts bees in an elite club of clever animals - some birds, monkeys, humans - that can grasp the abstract notion of nothing.
NOAA scientists project that this summer’s Gulf of Mexico hypoxic zone or ‘dead zone’ – an area of low to no oxygen that can kill marine life – will be about the size of Connecticut.
If you’re an advocate for insects in human diets, go ahead. Munch on a grasshopper. The genes needed to digest bugs are still in our genome, inherited from the tiny, furry distant ancestors of all mammals, including humans.
On Thursday, 2 astronauts aboard the International Space Station will conduct a 6 1/2 hour spacewalk. NASA's live coverage begins at 10:30 UTC (6:30 a.m. EDT). The spacewalk itself is scheduled to start at 12:10 UTC (8:10 a.m. EDT).
Coyotes are the most famous of the wild animals species that have returned to North American cities and towns in recent years. Encountering them can be unnerving.
A day - or two - after this month's new moon, Muslims will celebrate Eid al-Fitr, the festival of breaking the fast. A young moon sighting determines its date.