Scientists have identified a tipping point for Greenland's ice sheet – and it's just around the corner
Study shows pando, world's largest organism, may have been growing continuously since the first humans left Africa
Seed-scattering cucumbers thicken and become tough to eject seeds with 'astonishing speed and accuracy', study finds
An 'alien plant' fossil found near a Utah ghost town does not belong to any known plant family, living or extinct.
Scientists have discovered a once-in-a-billion-year event: two life forms merge to create a new cell part
A hidden 'biosphere' of extreme microbes discovered 13 feet beneath the Atacama Desert is the deepest ever found there