Some atoms are stable, while others seem to fall apart. Lead-208 will probably last forever, while the synthetic isotope technetium-99 exists for just hours. The difference lies in the structure of ...

MLB's playoff races are heating up as the regular season nears its final week. Every game matters and, as baseball fans know, magic numbers start to matter. But what the heck is a magic number and ...

The Philadelphia Phillies are closing in on another Red October. Last night, the Phillies defeated their National League East Division rival New York Mets 1-0 behind a vintage performance from Aaron ...

After Tuesday night’s 5-1 win against the New Jersey Devils, the Philadelphia Flyers’ magic number is officially 7 points.

KANSAS CITY, Mo. — The Kansas City Royals trimmed their magic number to clinch a playoff berth Thursday after a come-from-behind win over the Nationals. With the victory, the number to clinch stands ...

Add Yahoo as a preferred source to see more of our stories on Google. The linear accelerator at the Facility for Rare Isotope Beams, where researchers study rare isotopes of elements. Facility for ...

September baseball means expanded rosters, playoff races and math for teams in postseason contention. The Philadelphia Phillies are in the postseason and are National League East champions, but ...

The Cleveland Guardians host the Detroit Tigers starting on Tuesday and the stakes are enormous for both teams. Detroit (85-71) is a game ahead of Cleveland (84-72) in the American League Central. The ...