The zebra finch is a sought-after pet bird prized for its beauty, antics, and interactive nature. Reaching only four inches in height, these tiny birds are easy to house and care for. Zebra finches ...

At least in zebra finches, telomere length really can predict lifespan—a long suspected link for which scientists have identified little evidence—according to a study published Proceedings of the ...

The signs of aging show up in our genes as the protective caps on the ends of packets of our DNA, called chromosomes, gradually wear away over time. Now, scientists have found that the length of these ...

Last year, labs around the world starting selling blood tests that tell you how long you will live. Sort of. The tests measure telomeres, the little caps of DNA at the tips of chromosomes that shorten ...