Man's best friend? Not if the man is on trial and the dog is an expert "nose witness" who may be more convincing than reliable.
Are nuclear disasters the new normal?
How earographs, invisible ink detectors, and the famed "Stamp Detective" used science to catch unsuspecting crooks.
The Osama tapes highlight a technical challenge: verifying the voice of the enemy.
Scientists deploy genetic forensics to protect overhunted animals
Police sketches from eyewitness accounts are notoriously unreliable. The question is, Will "DNA sketches" be any better?
Not content with laying its eggs inside a caterpillar's body, a parasitic wasp then turns the host into a zombie babysitter
During a week of attempting to cloak every aspect of daily life, our correspondent found that in an information age, leaving no trace is nearly impossible
Barbie's dead. Did Ken do it? How miniature death-scene dioramas are used to teach modern CSI techniques.
Dark matter makes up much of the cosmos, yet no one knows exactly what it is. Soon, physicists may finally solve one of science's biggest mysteries.
How do police extract eyewitness accounts they can trust?
As students everywhere return to school, the luckiest are heading for caves and rocket firing ranges instead of lecture halls
How the World Wide Web has changed science
Jellyfish invasions, Internet auctions, god particles: Read about the year's biggest science stories before they happen. Bonus: How to decipher geeky jargon and when to buy a DeLorean
How a furry-convention-attending, Midwestern-accented fox owner teamed up with a bizarre Floridian exotic animal importer and a Soviet geneticist to bring pet foxes to your living room.
Could the secret to breakthrough science be as simple as having fun?
The finalists for Smithsonian's annual nature photography contest are in, and they're stunning.
Grocery-store produce behave differently in light and dark, study finds.
Forget algebra homework: try building spaceships, operating a nuclear reactor or listening in to distant galaxies
It's arson, bomb and booby trap week at one of the nation's toughest forensics schools.
These ten awe-inspiring science projects range from the world's largest undersea observatory to the "ultimate microscope" to a Jupiter orbiter on a suicide mission--but they're all massive, often in both size and scope
How winners win, cheaters cheat, and what a century of Popular Science taught us about both