COVID-19 continued to dominate lives in 2021. But the year also produced many stunning science images unrelated to the pandemic. From human–monkey embryos to volcanic ash, here are the most striking ...

Not too shabby, humans. New research shows that certain primate stem cells have pluripotency superior to some types derived from mice. The study, published in Nature, maps how pluripotency differs ...

Researchers have produced two monkeys with a procedure similar to that used to clone a sheep in Scotland, a development expected to help research into AIDS, alcoholism, depression and other illnesses.