The world's coral reefs are in the midst of a mass die off – a "white death" spanning the globe. New Scientist looks at why understanding what's happening is essential
CubeSats built from off-the-shelf parts can transform space exploration, as long as we can steer them. An ionic liquid propulsion system is a big step forward
Many of the gas giant planets we've seen orbiting other stars are up to twice as large as theory says they should be. A new class of planets could explain why
Including 31,000 neurons and their 37 million synapses, a digital recreation of a chunk of rat brain is already giving clues as to how the real thing works
Talk of using DNA to determine whether someone is gay misunderstands efforts to explain human variation, says Dean Hamer, who published the first evidence for a genetic predisposition to homosexuality