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 …

Extra dimensions of space — the idea that we are immersed in hyperspace — may be key to explaining the fundamental nature of the universe. Relativity introduced time as the fourth dimension, and Einstein’s subsequent work envisioned more dimensions still — but ultimately hit a dead end.

Memory defines us. Memory is the basis of our sense of self. But how do the structures of the mind store memories? What changes do memories imprint on the brain? …

Explore memory’s biological blueprint as Brian Greene and Cristina Alberini probe the science behind our most cherished recollections, and discuss what may be the key to the formation of long-term …

National Geographic Society Explorer-in-Residence Dr. Sylvia A. Earle is an oceanographer, explorer, author, and lecturer who has been called a “Living Legend” by the Library of Congress and “Hero for …

NASA astronaut Michael Massimino talks about the “right stuff” you need to work in space – a healthy helping of math and science, but also passion and patience. Listen to …