For decades, gene-editing science has been limited to making small, precise edits to human DNA, akin to correcting typos in ...

For decades, scientists have known that bacteria can exchange genetic material, in a process called horizontal gene transfer.

Chromosomes continuously develop their shape during cell divisions. Mitotic chromosomes gradually shorten and thicken. Longer ...

The world's oldest DNA comes from a 2.4 million-year-old ecosystem in Greenland. Will scientists eventually sequence even older DNA?

Small plastic or metal bits at the end of shoelaces, known as aglets, prevent laces from unraveling and protect them from ...

Unlike other tissues in the human body, human eggs don't pick up as many mutations in some of their DNA as they age. The findings from a new study ...

University of Exeter scientists mapped DNA methylation in nearly 1,000 brains, from 6 weeks after conception to old age. They ...

Human fertility hinges on a delicate molecular ballet that begins even before birth. UC Davis researchers have uncovered how special protein networks safeguard chromosomes as eggs and sperm form, ...

Cells are crowded with proteins and nucleic acids. A new study measures subcellular densities across organisms to uncover how ...

A thorough health evaluation of one of the world's oldest people, Maria Branyas, suggests that one of the reasons she lived ...

Here's ten scientific approaches that could help reverse or slow aspects of aging, showing a future where growing older may ...