Stories by Alan Hall

An experiment confirms that teleportation is possible--at least for photons

A computer simulation gives voice to a long-extinct dinosaur

Surfing for the perfect science gift in the virtual mall

New findings suggest a biochemical common ground

Recalls of contaminated food and new foodborne infections have shaken faith in the food supply

A petition to approve irradiation of red meat languishes at the FDA

Forty years ago, Sputnik 1 was lofted into Earth orbit. The tiny Soviet satellite ushered in the Space Age.

A converted oil exploration ship probes the seabed for clues to climate change and the inner workings of the earth.

A spacecraft provides the closest look yet at an asteroid

A leading environmentalist reviews his long, contentious past and sets new directions for the future

A supercomputer anticipates the catastrophic impact of a giant comet

The former director of the National Science Foundation shares his thoughts on popularizing science in an era of tightening budgets