New Orleans native Lisa P. Jackson is administrator of the Environmental Protection Agency (EPA). She is the first African-American to serve the post. She started her career working for the …

There is little doubt that Mars will be the next step in our continuing march to the skies, with some predicting we will take that giant leap within the next …

We spend a third of our lives asleep. Every organism on Earth—from rats to dolphins to fruit flies to microorganisms—relies on sleep for its survival, yet science is still wrestling with a fundamental question: Why does sleep exist?

When no one is looking, a particle has near limitless potential: it can be nearly anywhere. But measure it, and the particle snaps to one position. How do subatomic objects shed their quantum weirdness?

What if your brain at 77 were as plastic as it was at 7? What if you could learn Mandarin with the ease of a toddler or play Rachmaninoff without …

On July 4, 2012 the champagne flowed. The elusive Higgs boson—the fundamental particle that gives mass to all other particles—had been found. After generations of work, the last puzzle piece …