Wata Wata people beat, defleshed and beheaded their political enemies, study suggests.
At least 15 people have been killed in floods and 16 missing as landslides cause building collapse.
Chinese media suggests X-37B could be used as a spy satellite or weapon delivery shuttle.
An onshore pipeline ruptured along the California coast, spewing crude oil onto pristine beaches.
Top 10 new species announced by SUNY College of Environmental Science and Forestry.
Analysis of Egtved Girl remains show extensive travel during final two years of her life.
The sudden release could prove disastrous for the climate.
Bin Laden called for sustainable water systems and wanted relief network for climate victims
One-third of the oil-exposed dolphins suffered rare adrenal damage, rendering them incapable of producing some critical hormones.
Both deep and shallow quakes produce crystals under the extreme heat and pressure.
Researchers return after intriguing clues that aviation pioneer may have survived crash.
Slick threatening sea birds, migrating whales.
At 3.3 million, the earliest stone tools predate the previous oldest by 700,000 years.
Global study of 7,000 students finds biggest heroes and villains of history.
Rescue workers with sniffer dogs search for bodies buried under mud and debris in Salgar, Colombia.
Pipeline ruptured along the scenic California coastline spills 21,000 gallons of oil into the ocean.
The current cycle that began with 2004 could end in 2019.
The transfer of heat across the oceans was caused by increased easterly trade winds.
The new printing technique that uses more of graphene provides for conductivity, flexibility and strength.
There are only 25 Hainan gibbons in the world.
The electron ion collider can provide a more detailed picture of the atom.
What the world's first snakes looked like revealed by scientists.
Nasa is challenging designers to create sustainable housing using 3D printing and recyclable materials.
Airports Commission chair Sir Howard Davies to submit report on expansion by the end of the summer.
Two thirds of modern European men belong to three early paternal lineages.
Bostrom tells IBTimes UK that advanced AI creation is on the path to the 'best possible future'.
Bill Nye said climate change sceptics must be challenged as world faces 'environmental crisis'.
About 200 protesters gathered at the Port of Seattle to block access to a Royal Dutch Shell drilling rig headed for the Arctic.
ESA scientists baffled at three large "balancing boulders" on 67P/Churyumov-Gerasimenko.
Don't even ask about Lake Mead