Amerindian villagers found to have highest levels of bacterial diversity ever reported in a human group.
Analysis of bones from Gough's Cave shows intensive processing and consumption of human flesh.
It completes Emperor Qin's Great Wall
Humane Society International warns hundreds of baby seals being killed in Canada's ice floes
Virgin births study looks at how some species survive without having sex.
The Lyrid meteor shower, from Comet C/1861 G1 Thatcher, will peak around 22 and 23 April 2015
NOAA and US Navy confirm location of USS Independence after 64 years.
Nasa debuts Modular Robotic Vehicle prototype to test future space rovers and autonomous driving
Rare species of monkey in Republic of Congo has not been seen for over 50 years.
The chemical had been used in other aquariums with no ill effects.
Company says it has contracts for the lower West Coast.
Moon's age dated to 4.47 billion years with stony meteorites from giant impact event.
Brain chemical oxytocin released when dogs and owners gaze at one another.
Scientists reveal unique strategies octopuses employ to coordinate their movements.
An unmanned SpaceX rocket blasted off from Florida flipped around and made a hard landing on a platform in the ocean.
Female savannah chimpanzee tool hunting sheds light on early hominin evolution.
Chan Chan cleaners found ancient mummy dumped near rubbish.
Columbia University researchers have designed a 3D-printed camera powered by ambient light.
The number of Mexicans without drinking water climbed to roughly half a million on after an oil spill.
The Himalayas are not able to block the pollution arising from biomass burning in south Asia.
Scientists suggest huge Mercury-like body smashed into Earth early in its history.
Disappearance of fish believed linked to record stranding of starving sea lion pups along US West Coast.
SpaceX CEO Elon Musk: 'Rocket landed on droneship, but too hard for survival'.
Caesar was plagued with depression and irrational behaviour in his later life.
Electron's primary components are almost all 3D printed and it uses electricity instead of gas propulsion.
Fossil remains of Neanderthals show bones were beaten and fractured shortly after death.
Nasa scientists held a news conference to discuss the spacecraft New Horizons as it nears Pluto.
Zombie worms fed on carcasses of giant marine reptiles, scientists discover.
Southern California's water wholesaler voted to cut its deliveries to cities and communities by 15%.
First image of Pluto in colour taken from 71 million miles away ahead of flyby in July.