Watch Usman Nurmagomedov defend his lightweight title against Paul Hughes in arguably the best fight in PFL history.

HHMI's Janelia Research Campus in Ashburn, Virginia, brings together teams of scientists to unlock the fundamentals of biology. The Center plays a key role in HHMI's efforts to intentionally integrate ...

Conor McGregor may not be actively competing currently, but there's no doubt how big of a star he still is in the sporting ...