Ancient human footprints preserved in the ground across the White Sands National Park in New Mexico are astonishingly old, scientists reported on …

Scientific advisers to the Centers for Disease Control and Prevention are taking up a thorny challenge on Thursday: Who qualifies for the new …

A scientific task force on Thursday called for jettisoning a common measure of kidney function that adjusts results by race, providing different …

WASHINGTON — After largely standing aside for years as cryptocurrency grew from a digital curiosity intoa volatile but widely embraced innovation …

Credit…Chloe CushmanCHICAGO — The umpires dialed in at about 3 p.m. on a Friday, calling from places like St. Louis and Oakland, Seattle and …

ST. PETERSBURG, Fla. — The breakout came in the year he turned 30, but his talent was clear long before. A power left-hander with a knockout …

FRANKLIN, Tenn. — Five years ago, Kim Hart’s son underwent an open-heart surgery that got him healthy enough for the family to move from …

Roger Federer has always been a student of tennis. While still a teenager more than 20 years ago, Federer was interested in who the sport’s great …

In the first three Laver Cups, the biggest names were the most famous players in tennis: Roger Federer (who helped create the tournament) played …

In October 1995, Christian Ruud became the highest-ranked Norwegian tennis player ever. He was No. 39 in the world, reached the round of 16 at …