Before a restart Sunday at Buffalo River Speedway, Jack Dover drove his sprint car beside Weston Olson, the 17-year-old race leader. Dover tested the bottom of the track. "He was messing with me, ...

Thank you for joining us in this great fight We thank everyone for following our live stream and passionately experiencing ...

Almost two years after knocking out Daniel Dubois, Oleksandr Usyk did it again to assert his reign as undisputed heavyweight ...

Coffee ring effect powers UC Berkeley’s new at-home test for fast, accurate disease detection in under 12 minutes.