A warmer climate in Greenland has opened up new possibilities for economic development, but it may have negative effects on the island's native people, WWF says.
The popular saying about insincere weeping is based in reality, new research shows, although the behavior is more likely for biological than emotional reasons.
From a permanent lunar outpost to a literal space race involving suborbital rockets, find out what experts think human space travel will be like on Sputnik's hundredth anniversary.
Also received honors: an "aphrodisiac bomb" to divert enemy soldiers with thoughts of love, not war, and studies of sword-swallowing injuries and hamsters on Viagra.
In a bizarre mishap, 10,000 wildebeest have drowned while crossing Kenya's Mara River during an annual migration, wiping out one percent of the total species population.
There is a "high probability" that recently found remains are those of the two missing children of Nicholas II, the last tsar of Russia, says a Russian forensics expert.
