Sara Goudarzi

A scientist says we can mimic the effect of volcanoes and shade the whole planet.

Fat soldiers and lean workers both pack extra milligrams for the greater good.

In an animal shelter, the noise can be worse than a jackhammer. A design change would make dogs feel better.

A higher-resolution X-ray imager will produce better CT scans in a split second, potentially leading to better diagnoses.

Every 15 minutes, land equal to the size of a football field sinks into the Gulf of Mexico. One scientist proposes a new reason for the state's sinking feeling.

Sand dune records show that wind is the reason behind the drought of the Medieval Warm Period.

Chunks of Earth are drifting apart, slowly widening the sea with no help from Moses.

Scientists project where people will move to by 2025. Along the coast, it's going to get very crowded.

Last year was the hottest on record globally. This year, so far, the United States is warmer than anytime since good records have been kept.

Competition for food between two species drives an important evolutionary concept.

Using sugar and olive oil, scientists create tiny capsules that could deliver medicine.

Heat could kill some of the premium growing regions, a new study predicts.

Corals can alter their skeleton to match the changing chemistry of seawater, making them the only known animals to achieve such a feat, according to a new study.

Drops of water reveal the age of the tallest mountain range in the continental U.S.

Rising temperatures and early arrival of spring are fueling more frequent and more intense fires.

New propagation techniques allow easy establishment of trees in urban settings.

People with higher incomes tend to be tenser, and spend less time on simple leisurely activities.

From our love of yogurt grows specialized and streamlined bacteria.

She is all legs, and after 27 years she is showing them off again. Scientists are ecstatic. See the video...

New study finds that extra pounds, inches and other indicators of bad heart health brought on by inaction melt away with action.

When densities grow, swarms of insects and herds of animals start to coordinate activities.

About 45 million years ago, the Arctic went from being a warm greenhouse to the frosty ice-covered continent that we know today.

Finally, scientists explain why we're not up to our ears in DNA.

Children who want to be scientists more likely to get science degrees, shows a new study that suggests they should be encouraged to think along these lines.