Scientists mapped how the human immune system evolves from birth to old age, revealing key changes that influence health, ...

Sheep have been intertwined with human livelihoods for over 11,000 years. As well as meat, their domestication led to humans ...

Shorter telomeres are linked to higher risks of stroke, dementia, and depression, but lifestyle factors may help counteract ...

Japanese scientists detected all five nucleobases — building blocks of DNA and RNA — in samples returned from asteroid Bennu ...