You don't have to wake up to smell the roses: Exposure to a rose scent means pleasant dreams, while smelling rotten eggs gives dreams a negative cast, researchers found.

A giant shaking platform in a warehouse-size Japanese lab simulates earthquakes on full-size models of buildings, and it's a smashing success.

A skinny saw shark, a swell shark that looks like it swallowed a Frisbee, and a river shark are among the oddities that have surfacing in a new study.

Horses fight, Hurricane Ike stirs up a storm of memories, Baghdad turns red, painted soldiers celebrate, and more in the week's best news photos.

Barack Obama and John McCain's frequent calls for change may be alienating a little-known constituency: easily startled people. A controversial new study links stronger physical reflexes with voting in favor of the status quo.

Light-emitting jellies, green shrimp, and other oddities are among the animals found by an Australian expedition that netted hundreds of new species.

Fallow deer bucks with the deepest groans are most popular with does, a new study shows.

Redheaded like her Flintstones namesake, Wilma—the first recreation of a Neanderthal based on DNA evidence—makes her debut this week.

A camp for working elephants helps preserve the mahout way of life in Thailand—and helps the beasts get back to nature.

Hindus honor the elephant god Ganesh, Japanese Buddhists celebrate Israel's 60th anniversary, and more in our weekly roundup of culture photos.

Like sports fans performing the wave at a stadium, thousands of Southeast Asian giant honeybees can create a ripple effect that may confuse wasps and hornets, new research reveals.

A prehistoric whale had back legs, a tail like a dog's, and a hip-wiggling swimming style, says a study that may shed light on the origin of modern whales' wide, flat back ends.

The prehistoric predator used the sharp teeth protruding from the roof of its mouth to snag large prey, scientists say.

A small village in India has about a hundred pairs of twins, mostly same sex and 90 percent born in the last 20 years. No one can explain the phenomenon.

Even before the Large Hadron Collider fired up, it had spawned a phenomenon never before detected in the universe: a hit rap about physics. Watch the video and get the story behind it.