Featured in twins

What NASA’s twin study actually taught us about living in space
A baby was born with her own twin growing inside her
These Australian twins are the second ‘semi-identical’ pair ever reported
The weirdest things we learned this week: eating your own twin, embalmed milk, and levitating frogs
This year’s Ig Nobel prizes for unusual research honored old man ears and the fluidity of cats
The Fatter Twin Is No More Likely To Have A Heart Attack
Here’s Why Twin Studies Are So Important To Science And NASA
A Genetic Switch Could Turn Obesity On Or Off
More And More Twins Are Being Born In The U.S.
Astronaut Mark Kelly On Life In Space