Trade in elephant ivory and rhino horn is banned in most countries, but every effort must be made to turn the consumption of wildlife products from status symbol into stigma.

What can other countries learn from medical advances in Cuba.

Why - and when - is placebo effective?

Dr. Ian Crozier was declared cured after a harrowing bout with the Ebola virus, only to discover that his left eye was full of the virus.

Newly discovered Dutch manuscripts describe the extinct wildlife of Mauritius Island.

New research suggests that declines in wild bees may be due to a specific pesticide.

Two articles from 1883 and 1884 offer insight into tornadoes from another time.

The peer-reviewed ecological journal Oikos has nothing to do with the popular brand of Greek yogurt that shares its name.

How Antarctica's "Blood Falls" were discovered.

NASA's Mercury Messenger Spacecraft has crashed.