A geological marvel, a subterranean chamber where uranium ore, bathed in water, spontaneously ignited, creating Earth’s only natural nuclear reactor. This is not the plot of a science fiction ...

Whereas scientists could only use natural uranium in a uranium machine, Heisenberg noted that they could use pure uranium 235, a rare isotope, as an explosive. In the summer of 1940, Carl ...

ON bombarding uranium with neutrons, Fermi and collaborators 1 found that at least four radioactive substances were produced, to two of which atomic numbers larger than 92 were ascribed.

Navajo communities along the 174-mile stretch of the uranium haul route on Diné lands say the tribe and mining company are failing to share crucial safety info ...

After announcing steep tariffs on Mexico and Canada, President Donald Trump has put them on pause for one month after ...