A couple have both lost an arm as they were sheltering inside their Kentucky home that was devastated by a tornado last week, ...

With its fascinating ability to regrow entire limbs and internal organs, the Mexican axolotl is the ideal model for studying regeneration. Scientists have now found a factor that tells cells which ...

Aron Ralston's harrowing five-day ordeal in the Utah wilderness is the stuff of nightmares - but the engineer's incredible ...

Aron Ralston, a mountain climber, had to cut off his own arm after becoming trapped by a boulder. He was stuck in the Utah ...