Map of religious forests reveals biodiversity

Oxford scientists are mapping church-owned forests around the world, many sheltering endangered species. Learn more about these religious forests.

Underwater river found off Perth’s coast

How can a river flow in the ocean? Underwater rivers saltier than surrounding sea water. That means the water is more dense and sinks to the ocean bottom.

World’s biggest fungus found under tree in China

"We did not know the fungus can grow so huge," said Professor Yu-Cheng Dai, who made the discovery. "A small piece of the fruiting body is almost like my size."

Welcome to the new climate normals

Meteorologists were using records from 1971-2000 to calculate "normal." Beginning August 1, 2011, they are using records from 1981-2010.

Swarms of humans likely overwhelmed Neanderthals

Cambridge researchers give evidence of modern humans migrating out of Africa with 10 times the population of Neanderthals in central and western Europe.

Tropical Storm Don loses momentum

Meteorologists were shocked to see how fast Tropical Storm Don dissipated over southern Texas. As for rain to end the Texas drought, forget about it.

Fewer shellfish in future more acid ocean?

Increases in ocean acidity projected for the year 2100 would seriously weaken mussel shells and reduce global shellfish harvests.

Report from the Gulf of Mexico: Year 2, Day 48

Ocean Alliance research vessel Odyssey - offshore in the Gulf of Mexico in summer 2011 - reports on its work studying effects of the Gulf oil spill.

In 2011, 7 billion humans and counting

Expect 7 billion humans by October 31, according to experts at the Population Reference Bureau, which released its 2011 World Population Data Sheet on July 27.

New Mars Rover Curiosity now has a landing site

Curiosity has more than twice the length and and five times the weight of previous Mars rovers. It's scheduled to launch in 2011 and arrive in August 2012.