Are the descriptions of war passed down by ancient historians accurate? A site in Sicily provided a rare chance to fact-check stories told about two battles from more than 2,400 years ago.

Study suggests this process for eliminating unneeded cells may also protect against cancer.

Scientists watched in real time as rising ocean heat transformed the sprawling reef. It was a harbinger for ecosystems everywhere as the planet warms.

Given tens of millions of years, wildly improbable events – like primates crossing oceans – are almost a given.

Researchers have grown the first human-monkey hybrid embryos as well as mouse embryos in artificial wombs late into development. These biomedical breakthroughs raise different ethical quandaries.

Developing drugs that prevent this softening might impede tumors’ ability to spread.

Researchers at Harvard have designed new, highly selective tools that can add or remove sugars from a protein with no off-target effects, to examine exactly what the sugars are doing and engineer them into new treatments for “undruggable” proteins.

New, reversible CRISPR method can control gene expression while leaving underlying DNA sequence unchanged.

The sponge species was unnamed for a decade before nine-year-old Sylvie suggested Parpal Dumplin.

We studied how foxgloves taken to the Americas less than 200 years ago have changed compared to natives in Europe.