These rare salamanders, which can grow to over two feet long, lurk in the wild rivers of Appalachia. To spot one, you’ll need a snorkel, and some luck.
Although she faced discrimination from her mostly male colleagues, she did groundbreaking work that showed experimentalist physicists where and how to look for new particles.
In a giant feat of genetic engineering, scientists have created bacteria that make proteins in a radically different way than all natural species do.
The agency asked five climate skeptics to write a report criticizing the consensus on global warming. Scientists are pointing out its errors.