Stories by Kristin Leutwyler

A Danish expedition begins searching frozen Greenland for the remains of a meteor

Using a new technique, scientists have cloned clones from clones

These newly-found, far-flung systems are forming stars at an astounding rate

At the 12th World AIDS Conference, scientists issue a warning about seemingly successful drugs

At a navy test facility, a U.S. team prepares to regain sailing's America's Cup

Astronomers have detected yet another new extrasolar planet, and this one's not very far away

An ornithologist discovers a curious new species high in the Ecuadorian Andes

Can the economic forces driving the ancient source of caviar to extinction be stopped? It may already be too late

A conference celebrates the advances of the past 25 years and examines why disparities still persist

Biochemical systems can produce changes in an animal's shape that appear to be genetic

A recent fossil find further strengthens the theory that birds are directly descended from dinosaurs

The discovery of two new hormones gives researchers food for thought

Scientists have found a major factor that controls whether a cell dies or thrives

It is now known to cause developmental problems, weight gain and neurodegeneration

Surfing for the perfect science gift in the virtual mall