Scientists have engineered a hybrid mouse with a gene that predates all animal life. The team replaced a single gene in the mouse stem cells with a version from an ancient, single-celled ancestor, and ...

In mice, limited intakes of one specific essential amino acid can slow the effects of aging and even extend their lifespan, research from the US shows. Scientists wonder if these findings could help ...

For decades, anti-aging researchers have hit the same frustrating barrier: regardless of the intervention, mouse lifespan extensions stubbornly plateau at around four months when interventions are ...