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

For the first time, a quantum computer has successfully measured pairing correlations (quantum signals that show electrons ...

DNA isn't just a long string of genetic code, but an intricate 3D structure folded inside each cell. That means the tools ...

NASA's first multiple-satellite mission to another planet will map Mars' magnetic field and atmosphere in 3D, laying the ...