Take a road trip across the U.S., and you'll notice something we barely question -- everyone drives on the right. It feels normal and almost automatic, but when you take that same trip to the U.K., ...

Research suggests that dozens of genes—perhaps up to 40—play a role in shaping handedness. Rather than determining it ...

President Donald Trump was spotted with bruising on the back of his right hand again Monday in the Oval Office, days after covering the persistent marking with makeup and being spotted over the ...

President Donald Trump had a visibly black-and-blue bruise on his right hand as he met with South Korean President Lee Jae Myung on Monday in the Oval Office. The bruise comes after the president’s ...

Normally, a 79-year-old man having a bruise on his hand wouldn’t be much of a story. But that changes when the septuagenarian in question is Donald Trump. Trump’s injury was first spotted weeks after ...