Why No One Believed Einstein
Einstein's theory of relativity presented a direct challenge to the notion of ether.
The Natural Resources You Didn’t Know You Needed
Fossil fuels might get all the attention, but a recent discovery in Tanzania is a reminder of the other, less-heralded natural resources that we use.
The Mysterious Ocean of Enceladus
Saturn’s moon Enceladus has a secret. For some years, scientists have been convinced that there is a liquid ...
The Next Frontier in Synthetic Biology
Researchers have built something pretty weird—an artificial stingray. Ethicists and legal experts are still debating the rise of synthetic biology.
The Nuptial Gifts of the Firefly
Fireflies, lightning bugs, glowworms: the evocative insects of summer reveal some surprising new insights into biology.
Where Did the Moon Come From?
Despite years of study, it is only since the 1980s that a theory of the moon's origin has coalesced.
What Makes Your Roller Coaster Go? Physics!
The physics behind the fun: roller coasters provide so many examples of basic principles that they are a staple of physics lessons.