Scientific American Magazine

Neutrinos, the strangest beasts in the particle zoo, may soon open the way to unexplored realms

How an almost massless particle has shaped the large-scale structure of the universe

Stem cells may transform the way doctors treat heart failure

Regrowing muscles, tendons and even organs may be possible using nature's own adhesive

To build large organs that work properly, researchers need to find a way to lace them with blood vessels

Neurodegenerative disorders devastate the brain, but doctors hope one day to replace lost cells

As oil becomes more expensive, determining where to invest energy to get energy is increasingly important

The plight of orphaned Romanian children reveals the psychic and physical scars from first years spent without a loving, responsive caregiver

Private spaceflights aren't just for well-heeled tourists. The nascent commercial space industry is poised to revolutionize research as well

In Indonesia's Raja Ampat islands, local people are leading the effort to protect the world's most diverse coral reefs—and their own livelihoods—from the ravages of overfishing

Once considered beyond the reach of science, insights into the love lives of these extinct giants are emerging