From riverbanks to shallow lakes, Spinosaurus combined display, biomechanics and hunting power in one of evolution’s strangest designs.

Nasa has unfurled a solar sail in space for the first time, aiming to harness the propulsive power of sunlight for interstellar travel. The US space agency revealed that it had deployed the solar sail ...

A solar sail is designed to capture the tiny amounts of radiation pressure exerted by sunlight to propel a spacecraft to incredible speeds. The advantages are numerous: by acting like a sailing ship ...