Surviving a hurricane in poor countries such as Haiti is no guarantee of surviving the secondary problem of cholera.

Saturated media coverage of hurricanes like Harvey and Irma can make it seem like disasters happen all the time. Is the frequency of billion-dollar disasters really rising?

Social media apps are becoming as important as water, food and batteries when communities face natural disasters. One key function is helping people connect with neighbors and support each other.

It's impossible to be certain of safety while using Gmail, Yahoo mail and other web-based email systems. The best solution is a radical one: It's time to return to plain, text-only email.

Inserting a random DNA mishmash into a plant or bacterium directs it to make a novel protein. Sifting through the resulting molecules, researchers may find ones have medical or agricultural uses.

Many hope that marijuana will help their insomnia. A sleep psychologist examines the evidence.

Oysters grow in seawater and filter their food from it, so how do you shield them from waterborne diseases? Scientists are working to develop strains that are resistant to a fast-spreading herpes virus.

In New York City, hair salons are one of the few cultural spaces for Dominican women to bond. But they also perpetuate legacies of racism and colonialism.

The desire to help during emergencies like Hurricane Harvey is admirable. With a little homework, your contributions will go further.

At a time in the sun's cycle when space weather experts expect less solar activity, our star is going bonkers with solar flares and coronal mass ejections. What effects will Earth feel?

Overuse of sand for construction and industry is harming the environment and fueling violence around the world. Scientists explain why we need international rules to regulate sand mining and use.