Scientists have built the first-ever thorium reactor. Thorium is both more easily accessible and less dangerous than uranium—the most common fission fuel. The system also uses molten salt instead of ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

Many sewage treatment plants are equipped to process waste using anaerobic digestion, in which the sewage sludge is held in an oxygen-free chamber to ferment and break down. As part of that ...