Christopher Preciado is on trial for capital murder in San Antonio, accused by police of killing a pregnant woman, her boyfriend, and their unborn child.

His method of locating genes in human DNA allowed researchers to find disease-causing genes, and later to map the entire, ...

When bacteria cells replicate, they do so a little differently than human cells do. They don't undergo mitosis, a splitting that involves construction of spindles to carefully separate the DNA after ...

Don't worry, it's not hurtling towards us.

For thousands of years, humans living high in the Argentinian Andes have relied on drinking water that would make most people ...

For women age 70 and over with a common form of breast cancer, determining "the right size" of treatment can be challenging, ...

Scientists in China have developed a "capsule" delivery system to transplant healthy mitochondria into diseased cells, a breakthrough that could lead to new treatments for Parkinson's disease, rare ...