News

Astronomy

Violent birth proposed for Saturn’s moon mishmash

A simulation suggests that giant collisions created Titan and the planet’s many smaller satellites.

Humans

Shoulder fossil may put Lucy’s kind up a tree

Fossils of an ancient child suggest the more than 3-million-year-old hominid mixed climbing with walking.

Health & Medicine

Aspirin has selective benefit in colorectal cancer

Patients with a common gene mutation survive longer, which might enable doctors to predict who would get results from the drug.

Genetics

Cloning-like method targets mitochondrial diseases

Providing healthy ‘power plants’ in donor egg cells appears feasible in humans, a new study finds.