A part that broke on a UPS plane that crashed in Kentucky failed 4 times on other planes years ago Ukraine’s new defense ...

Is artificial intelligence replacing human genius in mathematics, or redefining it? From the Navier-Stokes mystery to ...

No parent, teacher, adviser or other responsible educator would ever recommend, much less require, a student to take a course ...

Einstein’s claim that the speed of light is constant has survived more than a century of scrutiny—but scientists are still ...