Researchers have built something pretty weird—an artificial stingray. Ethicists and legal experts are still debating the rise of synthetic biology.
Fireflies, lightning bugs, glowworms: the evocative insects of summer reveal some surprising new insights into biology.
Despite years of study, it is only since the 1980s that a theory of the moon's origin has coalesced.
How should the artifacts of the space race be preserved?
The physics behind the fun: roller coasters provide so many examples of basic principles that they are a staple of physics lessons.
A hypothetical Planet Vulcan was the best explanation for strange astrological phenomena—until Einstein, that is.
Neanderthals, suggest recent studies, had complex societies and even some culture.
Chemists recently announced the names of four newly discovered elements. Naming elements is serious business, and not without controversy.
Mitochondria was once thought to be an integral part of all complex organisms. Then this organism was discovered.
Policymakers and scientists have been thinking about the details of the commercialization of space for decades.