Mountain forests don't need humans – but we need them

Forests in the mountain regions of our planet are fragile ecosystems, suffering from the impact of climate change. However, to survive in the long-term, these ecosystems do not need human intervention. It is rather the humans ...

NASA's asteroid-hunting spacecraft a discovery machine

NASA's Near-Earth Object Wide-field Infrared Survey Explorer (NEOWISE) mission has released its third year of survey data, with the spacecraft discovering 97 previously unknown celestial objects in the last year. Of those, ...

Close call: When asteroids whisk past Earth

A peanut-shaped asteroid 1.3 kilometres (3,280 feet) across streaked past Earth on Wednesday, giving astronomers a rare chance to check out a big space rock up close.

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