Nate Ball’s appetite for invention began with hovercrafts and Tesla coils and led to building his revolutionary ascender that uses a reliable motor to raise rescuers by a rope. These …

Nobel Prize-winning physicist Steven Weinberg spoke about science and history, drawing from his book “To Explain the World: The Discovery of Modern Science.”

Looking millions of light-years into deep space requires a special kind of glass telescope. Prior to the 1980s telescopes were limited in size and too heavy to follow the motion …

The multiverse hypothesis, suggesting that our universe is but one of perhaps infinitely many, speaks to the very nature of reality. Join physicist Brian Greene, cosmologists Alan Guth and Andrei Linde, and philosopher Nick Bostrom as they discuss and debate this controversial implication of forefront research.

Known for his work in television, theater, and film, Alan Alda is also a passionate advocate of science. Through his years as host of Scientific American Frontiers, his founding of …

Astronauts who’ve lived on the International Space Station and “walked” in space tell all: what it’s like to ride on a space ship, and to eat, sleep, exercise, and even do science—in space.