Biology

Scientists have engineered tobacco and lettuce plants to produce myoglobin—the iron-rich protein responsible for much of meat’s red color and...

Living alongside pumas may seem like a dangerous bargain, but new research suggests that the presence of these large predators...

Dinosaurs are remembered as Earth’s giants: towering sauropods that outweighed dozens of elephants, and predators such as Tyrannosaurus rex that...

Cancer researchers have unveiled one of the most extensive collections of patient-derived tumor models ever assembled, creating a living laboratory...

A new Cochrane review has challenged several long-standing preparation techniques used immediately before embryo transfer in in vitro fertilization, finding...

A bile acid long associated with liver damage may have a much narrower—and potentially useful—side to its biological identity. In...

A comprehensive review published in Genes & Diseases is drawing renewed attention to FOXK2, a transcription factor that may help...

The MYH9 gene is emerging as a critical biological switch at the intersection of cancer progression and inherited disease, according...

Scientists have reconstructed a possible sequence of events linking the chemistry of hydrothermal vents to the emergence of the first...

American black bears may spend far more time asleep during hibernation than previously appreciated, according to a machine-learning analysis of...