Two mathematicians have proved that a straightforward question — how hard is it to untie a knot? — has a complicated answer.

How can we guess the size of an extinct animal when all that remains are a few scattered bones? A study conducted by ...

Physicists in Australia and Britain have reshaped quantum uncertainty to sidestep the restriction imposed by the famous ...

Foundational research is paving the way for next-generation quantum sensors. Physicists in Australia and the United Kingdom ...

Scientists can't use tape measures, rulers or lasers to measure the astronomical distances to stars and galaxies, so how do ...

The Next Generation" episode contains a memorable scene that some believe provides an argument in favor of artificial intelligence.

For Mr. Santos, math can also inspire ideas about structures that have already been built — a new way to see and appreciate the world. Inspired by this idea, The New York Times created a virtual tour ...