Nobel Laureate Barry Barish and Brian Greene discuss the quickly-evolving world of gravitational waves detections—from the first detection on September 14, 2015 to its public announcement five months later through …

“The infinite! No other question has ever moved so profoundly the spirit of man,” said David Hilbert, one of the most influential mathematicians of the 19th century. A subject extensively studied by philosophers, mathematicians, and more recently, physicists and cosmologists, infinity still stands as an enigma of the intellectual world.

Harvard professor and 2017 Breakthrough prize winner in Fundamental Physics, Cumrun Vafa joins Brian Greene for a discussion on the past and future of string theory and how puzzles ignited …

Making sure the parachute deploys exactly on time and lands rovers safely on Mars is in the hands of NASA engineer Michael Meacham. Check out the experiments he conducts on …

Our genes strictly dictate our personalities, appearance and diseases. Or do they? Research has revealed that genes can turn on and off; they can be expressed for years and then silenced. Sometimes, they are never activated. And these genetic instructions—how and when DNA is read—can be determined by the experiences of one’s ancestors, even those several generations back.

By 2050, there will be nine billion people on the planet. CRISPR, the revolutionary gene editing technology, could help usher in the next Green Revolution, allowing us to feed our …