Some studies suggested that declining levels of taurine, an amino acid, might be a key driver of aging. But a new study defies that idea.

Three ancient Maya cities have been discovered by archaeologists in Guatemala.

A new study finds the genetic backgrounds of people in the U.S. are "highly complex" and may differ from their self-defined racial or ethnic groups.

Earth lost contact with the private Japanese spacecraft "Resilience" during an attempted moon landing on Thursday. The lander was carrying what would have been the first European-built rover to explore the moon.

Scientists have introduced a new laboratory model that could help them study how artificial limbs can be better designed.

A pair of new studies has revealed that the hellish skies of exoplanet WASP-121b contain silicon monoxide gas, which has never been found in any planetary atmosphere to date.