Superluminous supernovas are the brightest stellar explosions in the universe. Astronomers may have found a mechanism that can trigger these events.

INGLEWOOD, Calif. — Anthony Edwards won the Most Valuable Player award while leading his “Stars” team past their fellow Americans on the “Stripes” team 47-21 to win the final of the NBA All-Star Game ...

Chris Paul, who was a 12-time All-Star selection and two-time Olympic gold medalist, announced his retirement on Friday in the capper of a 21-season career that will surely merit induction into the ...