Physics

Three pioneers — John Clauser, Alain Aspect, and Anton Zeilinger — helped make quantum information systems a bona fide science.

An undergraduate and his supervisor ran the numbers and found paradox-free time travel to be mathematically consistent.

Scientists trained a neural network to predict the movements of Mars and the Sun, which placed the Sun at the center of our solar system.

Seventeen natural sites possessing ancient nuclear reactions have now been found: evidence of Earth's first nuclear reactor.

From here to the limits of what we can see, here's a breathtaking illustrated logarithmic view of the Universe.

A wormhole is like a tunnel between two distant points in our universe that cuts the travel time from one point to the other.

Although most people can name Einstein's most famous equation, E = mc², very few people can explain what it means.

There are between 6 and 20 trillion galaxies out there. Carl Sagan's "billions and billions" was far too low of a guess.

When we measure it, we find that our Universe really is flat. Here's what we can learn from that, and why it matters so much.

Today, the fastest-ever nova to fall off has been discovered, and even faster ones may be out there. What comes next?