The climate-driven mass extinction no one had seen before now

Sixty-three percent. That's the proportion of mammal species that vanished from Africa and the Arabian Peninsula around 30 million years ago, after Earth's climate shifted from swampy to icy. But we are only finding out about ...

NASA Mars research helps find buried water on Earth

A NASA-led team has used radar sounding technology developed to explore the subsurface of Mars to create high-resolution maps of freshwater aquifers buried deep beneath an Earth desert, in the first use of airborne sounding ...

Modern humans out of Africa sooner than thought

Human teeth discovered in southern China provide evidence that our species left the African continent up to 70,000 years earlier than prevailing theories suggest, a study published on Wednesday said.

Large Chinese rocket segment disintegrates over Indian Ocean

A large segment of a Chinese rocket re-entered the Earth's atmosphere and disintegrated over the Indian Ocean on Sunday, China's space agency said, following fevered speculation over where the 18-tonne object would come down.

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