There's no reason why humanity can't re-establish its moon presence while also keeping an eye on the Red Planet.
Sue Desmond-Hellman, CEO of the Bill & Melinda Gates Foundation, sees Twitter and Facebook as tremendous tools for encouraging communities to make healthier choices.
Hollywood producer Brian Grazer extols the many benefits of satiating curiosity by meeting extraordinary people and learning what makes them extraordinary.
Researchers are working on a method to transform every blood type into O — the universal-donor blood type.
Children may know the words for seconds and hours as early as two, but understanding how long two minutes are versus one hour comes with experience.
Last week's events in Nepal and Baltimore were drastically different. Yet how people responded to two tragedies offer insight into how we deal with trauma and how we decide to offer compassion.