New DNA research reveals most pet dogs - yes, even the tiny breeds - still carry faint traces of ancient wolf ancestry.

Every time a cell divides, it must copy its entire genome so that each daughter cell inherits a complete set of DNA. During that process, enzymes known as polymerases race along the DNA to copy its ...

When it comes to powering aircraft, jet engines need dense, energy-packed fuels. Right now, nearly all of that fuel comes ...

How often a person poops has a surprising link to one vitamin in particular. A genetic investigation on the rate at which ...

The discovery of catalytic RNA transformed our understanding of life's beginnings. Clare Sansom explores how the RNA world ...

Vitalik Buterin proposes anonymous voting framework for Ethereum governance, reversing 2024 anti-anonymity position.

For almost 60 years, scientists have tried to understand why DNA doesn't replicate wildly and uncontrollably every time a ...

The human brain's soft folds and ridges, arising in early development and continuing through the first 18 months of life, are ...

Major depression is not only a crisis of mood, it is also a crisis of biology that reshapes the brain itself. As genetic ...

A duplicated gene evolved into a switch that determines sex in frogs, revealing how evolution can safely reshape critical ...

A bitter taste has always been considered a warning signal, devoted to protecting us from ingesting potentially harmful ...

We asked doctors to explain the latest research.