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Space

Biggest radio telescope on Earth ready to receive alien signals

Life

Monsanto cuts deal to use CRISPR to engineer food

Humans

The most detailed look yet at how early humans left Africa

Earth

Oil pipeline leak threatens Alabama river rich in unique species

Space

Saturn’s rings may be from the whirl of a passing icy rock

Humans

Building blocks of memories seen in brains for the first time

Upside-down clouds grow down and cascade across the Kansas sky

Earth

Oil pipeline construction halted after Native American protests

Space

Tiny lightning bolt explosions can vaporise the moon’s thin soil

Earth

White gulls dependent on ice are disappearing from the Arctic

Space

Here's what colourful clouds on alien gas giants would look like

Life

Stonefly lays eggs or has live births depending on the season