Putting a new spin on the term "nuclear waste dump," radioactive droppings from Cold War-era critters have spurred a high-tech cleanup funded by the current U.S. government economic stimulus program.

The female of the new golden orb-weaver species Nephila komaci has a leg span of up to five inches—about ten times larger than the male—say scientists who found the giant web-spinning spider.

Police in Australia say a blood-engorged leech, through DNA testing, led them to a man responsible for the robbery eight years ago of a 71-year-old woman.Video

Using search engines may help stave off dementia and memory loss among older people, according to a new report. During the study, key areas of Web newbies' brains were activated after regular Googling.

Only an alligator could truly understand the allure of this thunderous "chorus." But a new study says the song may be an invitation to reptilian romantic networking.

Without having been trained to do so, chimps in a Japanese study helped their fellow apes access elusive juice. The researchers say this adds to evidence that chimps are more similar to humans than previously thought. Video

Australia's iconic, island-like Uluru, or Ayers Rock, may soon be off limits to climbers, mainly because Aborigines see the desert sandstone formation as sacred. Video.

For the first time, spacecraft have observed eruptions on the sun from multiple angles for hours on end—a feat made possible by NASA's twin STEREO craft. Video.

As agile as its panther namesake in The Jungle Book, a tropical jumping spider is the only known plant-eater among 40,000 known spider species, a new study says.

NASA's "moon bombing" Friday morning was successful, but the LCROSS impact proved anticlimatic to many skywatchers.

Enormous sheets of gelatinous mucilage—full of deadly bacteria and viruses—are becoming a more common sight throughout the Mediterranean Sea as temperatures rise, a new study says.

Miles-long sheets of mucus-like material are forming more often and in more places, a new Mediterranean Sea report says. More than just unpleasant, the blobs are an unexpected health hazard, the study found.

Giant, jelly-like sheets of dead and living organic matter, known as marine mucilages, are spreading throughout the Mediterranean. The blobs may smother marine life and carry diseases dangerous to humans.

A plant "phallus," a hungry sea star, and miniature "dreadlocks" are among this year's award-winning peeks into our small world.

A plant "phallus," a hungry sea star, and miniature "dreadlocks" are among this year's award-winning peeks into our small world.