Sanaz Meshkinpour

NASA hopes the Parker Solar Probe will help solve the most perplexing mysteries of the sun. Astrophysicist Nour Rawafi explains the spacecraft's mission to "touch the sun" on Christmas Eve 2024.

Solar power is spreading at record rates. Despite this progress, renewable energy strategist Rebecca Collyer says we need to move faster to avert climate disasters.

A fusion reactor promises almost limitless energy—if we can build it. Physicist Tammy Ma explains how her team achieved fusion ignition, a crucial milestone powered by the world's largest laser.

World-renowned sex therapist Dr. Ruth turned her focus to loneliness in the final years of her life. Journalist Allison Gilbert reflects on Dr. Ruth's life, and shares her advice for making friends.

All couples fight, but how do some fight to understand rather than win? Having analyzed thousands of couples, Julie and John Gottman share how conflict can deepen a relationship or signal its demise.

Love is an act of bravery. And to love someone through a crisis (big or small) means allowing them to let it all out. Kelly Corrigan shares seven words that make our loved ones feel heard.

In the 90s, Kristine Tompkins and her late husband began buying swaths of land in South America. Their plan to create national parks through private enterprise had no precedent. That didn't stop them.

When Sonia Vallabh learned she has the genetic mutation for prion disease, she and her husband dropped everything to change careers. Today, they lead a Harvard/MIT lab searching for a cure.

Reggie Watts is at his best on stage, making up songs and jokes on-the-spot. He says an improvisational spirit can turn the mundanity of daily life into an adventure.

Jennifer Doudna's gene-editing technology CRISPR can now manipulate populations of microbes. This new field, called precision microbiome editing, could potentially address asthma and Alzheimer's.