Washington — Much of the federal government shut down Wednesday, October 1, after Congress failed to reach a deal to approve new funding. Republicans had proposed extending government funding at ...

Infertility affects about one in six couples, and male factors account for roughly half of all cases—often because sperm ...

With a clever design, researchers have solved eddy-current damping in macroscopic levitating systems, paving the way for a ...

For the first time, physicists have simulated what objects moving near the speed of light would look like — an optical ...