By measuring how and when elephant seals sleep, researchers were able to figure out how elephant seals change their risk-taking behavior as they gain weight.

The risk of future cancers was lowest among participants in a community-based observational study who had a heart-healthy lifestyle.

The rush to evacuate communities and abandon nuclear energy was understandable, but an error.

Permanently protecting large, mature forests is a faster and cheaper way to stabilize Earth's climate than complex carbon capture and storage schemes, and more effective than planting new trees.

Researchers at the Harvard John A. Paulson School of Engineering and Applied Sciences have developed an AI system that can identify the people within a social network who can most effectively promote information about HIV prevention to their peers.

The Star-Friedman Challenge for Scientific Research is ready to provide seed funding for high-risk, high-impact work in the life, physical, and social sciences. Harvard researchers have until March 1 to apply for the funding.

Based on observational data, it was found that the timing of daily physical activity was linked to fitness levels and cardiovascular risks in men with Type 2 diabetes.

Cultivating 'cyber-wisdom' could help children make smarter decisions online.

New research finds that certain differences in the brain correspond to risk-taking in a sample of 25,000 people.

Clear messaging is crucial when dealing with multiple disasters.