An inexplicably hot, fast-growing cluster of galaxies in the early universe has scientists questioning theories of galactic ...

The results revealed a clear sequence. Enzymes predating cannabis showed no ability to process CBGA. The first enzyme unique ...

A major evolutionary theory says most genetic changes don’t really matter, but new evidence suggests that’s not true. Researchers found that helpful mutations happen surprisingly often. The twist is ...

Biologists are closing in on a puzzle that seems to turn classic evolutionary logic inside out, yet may be so common that it ...

Environmental change doesn’t affect evolution in a single, predictable way. In large-scale computer simulations, scientists ...