Researchers have taken 3-D printing to another level, where they are rebuilding the human heart through 3-D printing, as well as replicas of arteries, bones and brains - all being printed out of bi

It turns out that common chemical coolants actually lead to ozone depletion.

Teens may change the world. A 16-year-old developed a simple way to detect the deadly Ebola virus, winning her the Google Science Fair.

It turns out that there is, in fact, a link between air pollution and the risk of death.

Mercury pollution in California may be coming from a surprising source: elephant seals.

China is known for its smoggy, black skies that can cause health hazards to the public. But for a few days before Beijing's military parade, the city experienced perfect, azure skies.

More intensive farming practice may seem like a bad thing for the environment. Now, though, researchers have found that intensive farming practices may be better for tropical birds.

It turns out that estrogen may be causing frogs to change in suburban areas. Scientists have found that estrogen is changing the ratio of male to female green frogs at nearby ponds.

A unique and strange species of crustacean has officially been named after Elton John.

Natural gas mining could cause issues for human health. It turns out that endocrine disruptors from these activities could potentially harm human development and reproduction.