As conscious beings, we are constantly aware of the relentless march of time. You can make an egg into an omelet, but you can’t turn an omelet back into an egg. Dropped glasses shatter…

What better way can there be to discuss the nature of time than sitting down with two eminent theoretical physicists in the timeless beauty of Vieques, at the western end of the Spanish…

An issue on time would not be complete without a conversation with Lee Smolin. High school dropout, theoretical physicist, and founding member of the Perimeter Institute for Theoretical…

Why should the future resemble the past? Well, for one thing, it always has. But that is itself an observation from the past. As the philosopher David Hume pointed out in the middle…

T he postcard contained only two words: “Hurry up.”John Archibald Wheeler, a 33-year-old physicist, was in Hanford, Wash., working on the nuclear reactor that was feeding plutonium…

Rearrange the following words to tell a coherent life story: A man dies, later he gets married, and finally he is born. Thanks to our built-in temporal sense, it’s pretty straightforward:…

“Excuse me, but what’s the time?” I’m guessing that you, like me, are guilty of having asked this question, as if it were obvious that there is such a thing…

Max Tegmark, professor of physics at MIT, strode into the room smiling and laughing, and stayed that way for all of the couple of hours we spent together. That he takes the keenest…

String theorist Vijay Balasubramanian grapples with the garbage cans of the universe: black holes. His research on particle physics at the University of Pennsylvania and The City University…

For two weeks every summer, my parents rented a holiday apartment by the beach in Vlora, an old coastal town along the Adriatic. It was known as Aulona in Greek and Roman times, and…