Services promising scientifically tailored supplements or advice abound. Experts say their claims are largely unfounded, although some solid evidence is beginning to emerge.

Scientists spent five years reconstructing what is now the oldest HIV-1 genome yet recovered.

Physical activity, independent of diet, shifts the composition of bacteria in the intestines, spurring researchers to search for species that might provide benefits akin to working out.

The sei ion channel in fruit flies keeps their neuronal excitability in check.

Scientists found they could sort mouse sperm prior to IVF by treating semen with a drug that selectively slows down X-bearing cells.

The 12-year-long endeavor reveals Prometheoarchaeum as a tentacled cell, living in a symbiotic relationship with methane-producing microbes.

The genes promote the migration of endothelial cells outside of the uterus, a characteristic of both endometriosis and endometrial cancers, a study of mice and human tissue finds.

An Israeli lunar lander carrying the tiny animals crashed into the moon in April, and now scientists are trying to determine if the creatures are still alive.

The agency is now evaluating the implications of the corrupted data behind Zolgensma and whether to “take action” against the pharmaceutical company.