Katie Ledecky produced a scintillating swim to break yet another world record on Saturday, this time in the women’s 800m ...

A Long Island indoor go-kart facility was put in the Guinness Book of World Records on Tuesday for boasting the largest track ...

Ledecky lowered her mark in the 800-meter freestyle and showed, at 28, that she isn’t even close to slowing down.

It's not every day players break world records during training sessions.London City Lionesses defender and Republic of ...

Katie Ledecky and Gretchen Walsh broke their own world records on the last day of a Tyr Pro Series meet in Fort Lauderdale, ...

NASCAR Cup Series driver Ricky Stenhouse Jr., who pilots the No. 47 Chevrolet for HYAK Motorsports, had a chance to be part of an official Guinness World Record ...

Olympic bronze medalist Sam Watson broke his own world record in speed climbing twice on Saturday. Watson, 19, climbed a ...

The previous record was held by Annie Judis, who was 80 years and 244 days old when she held a plank for 3 minutes. Blackman ...

A team partially replaced lithium in a lithium antimonide compound with the metal scandium. This creates specific gaps, so-called vacancies, in the crystal lattice of the conductor material. These ...

There's about a three feet difference in size between the world's tallest and smallest dogs, according to Guinness World ...

American swimming star Katie Ledecky claims her first world record in seven years with a dazzling performance in Florida.