Headlines

Food relief comes in many packages

Food insecurity—or the uncertain access to sufficient, nutritious and safe foods—is a "wicked problem" affecting 1 in 3 people worldwide. Social supermarkets are slowly emerging in Australia as a different approach to food relief, offering affordable food access with social

Consistency check casts doubt on evolving dark energy

Cosmologists have long struggled to determine whether the universe's accelerating expansion is being driven by a simple cosmological constant, or whether dark energy's influence is evolving over time. In a new analysis published in Physical Review D, Samsuzzaman Afroz and

String theory suddenly emerged from simple physics rules

Physicists may have uncovered a surprising new clue that string theory—the idea that the universe is built from unimaginably tiny vibrating strings—could be more than just a mathematical fantasy. Instead of assuming strings existed from the start, researchers began with a few

Video: Preparing Smile for space

Before Smile can begin studying how Earth responds to the streams of particles and bursts of radiation from the sun, the spacecraft had to complete an extraordinary journey here on Earth.

Climate change drives 'emptying' of rural Bhutan

Homes are being abandoned as climate change accelerates migration out of rural Bhutan, new research shows. The mountain kingdom is the world's first carbon-negative country—through exporting zero-carbon hydropower energy. But it is disproportionately affected by climate change,