Topic: Chris Mason

A running club in Virginia gathered 175 people to run in Tyrannosaurus Rex costumes for an annual event and a Guinness World Record attempt.

Astronaut Scott Kelly spent a year on the International Space Station. His twin brother, fellow astronaut Mark Kelly, stayed on the ground. A research team tracked the health and biology of both men.

Early findings from NASA's Twins Study suggest space travel boosts methylation, the process of switching genes on and off.

A kidney grown in a lab was successfully connected to the excretion systems of rats and pigs, allowing the organ to function and grow properly.

In a study at USC's Keck School of Medicine, researchers found that plucking a specific amount of hair in a precise pattern results in significant regeneration.

High schooler Anya Dunaif swabbed New York City subway benches and railcar poles to locate drug-resistant bacteria as part of a new city-wide science project.

Scientists in China report they've grown rudimentary teeth from stem cells taken from an unexpected source -- human urine.

Jack Johnson's third-period goal helped boost Columbus over Nashville 3-1 Saturday, but the Blue Jackets missed the playoffs when Minnesota won its game.

Johan Franzen and Pavel Datsyuk both scored on the power play in a three-goal Detroit second period Thursday, pushing the Red Wings past Nashville 5-2.

Alex Chiasson scored twice Friday and backup goaltender Richard Bachman made 26 saves in bringing Dallas a 5-2 victory over Nashville.