The poorly understood ‘matalafi’ -- the homogenate of Psychotria insularum leaves (fresh leaf juice) -- is widely used in Samoan traditional medicine.

New research from the University of Birmingham explores the nature of photons -- individual particles of light -- in unprecedented detail.

The identification of a new hominin group called Denisovans was one of the most exciting discoveries in human evolution in the last decade. Unlike Neanderthal remains, the Denisovan fossil record ...

LHS 1140b is the second-closest temperate transiting exoplanet to Earth with a temperature low enough to support surface liquid water.