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.

Radim Vrbata scored twice during a zany first period Thursday and Phoenix went on to snap a seven-game losing streak with a 7-4 win over Nashville.

Jeff Carter scored a natural hat trick and Slava Voynov distributed three assists Monday, powering the Los Angeles Kings past Nashville 5-1.

Kyle Palmieri scored three consecutive goals over the opening two periods Wednesday to bring Anaheim a 5-1 victory over Nashville.

Jamie McGinn scored the eventual game-winning goal during a wild second period Monday that lifted the Colorado Avalanche to a 6-5 win over Nashville.

Devin Setoguchi fired in a power-play goal with 39 seconds left in overtime Saturday, lifting the Minnesota Wild to a 2-1 win over Nashville.

The Nashville Predators put the Minnesota Wild away 3-1 Tuesday with a pair of third-period goals by Martin Erat and David Legwand.