Photons traveling through a cloud of atoms can emerge so early that they appear to have spent a negative amount of time ...

Researchers hope that a 500-million experiment will provide direct evidence of dark matter. Sedrun, in the canton of ...

This urban legend has survived decades despite being thoroughly debunked by top military brass.

What's the best way to manage a forest? Australians have argued about this for decades. The debate is often framed as binary: Do we protect forests entirely, or harvest trees to support local ...