New study charts the global invasion of crop pests

Many of the world's most important crop-producing countries will be fully saturated with pests by the middle of the century if current trends continue, according to a new study led by the University of Exeter.

NASA deep-space rocket, SLS, to launch in 2018

The US space agency's powerful deep-space rocket, known as the Space Launch System (SLS), aims to blast off for the first time in 2018, NASA said Wednesday.

Zambia lifts ban on safari hunting

Zambia has lifted a 20-month ban on safari hunting because it has lost too much revenue, but lions and leopards will remain protected, the government said Wednesday.

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