We don’t know very much about our universe. We’re fairly certain it exists, but we don’t know how it got here, how long it’s been here, or how big it is. Heck, we don’t even know if our universe is ...

The goal of elementary particle physics is to achieve a unified understanding of fundamental forces (gravitational, electromagnetic and nuclear) and elementary particlesin terms of concise and ...

In August 1984, M. Green and J. Schwarz ushered in the latest revolution in particle physics with their discovery of mathematically consistent superstring theories. Since then, there has been a vast ...

SENSORS buried deep within the Antarctic ice to pick up distant cosmic events might show up something even more exciting. They could finally prove whether extra dimensions really exist and help ...

pt. 1. edge of knowledge -- ch. 1. Tied up with string -- pt. 2. Dilemma of space, time, and the quanta -- ch. 2. Space, time, and the eye of the beholder -- ch. 3. Of warps and ripples -- ch. 4.

Ars Technica has been separating the signal from the noise for over 25 years. With our unique combination of technical savvy and wide-ranging interest in the technological arts and sciences, Ars is ...

But despite its extraordinary popularity among some of the smartest people on the planet, string theory hasn’t been embraced by everyone–and now, nearly 30 years after it made its initial splash, some ...

At a 1990 conference on cosmology, I asked attendees, who included folks like Stephen Hawking, Michael Turner, James Peebles, Alan Guth and Andrei Linde, to nominate the smartest living physicist.