A juvenile chinook salmon is measured by UC Davis researchers during its migration out of Putah Creek. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to ...

The earliest days after fertilization, once a sperm cell meets an egg, are shrouded in scientific mystery. The process of how a humble single cell becomes an organism fascinates scientists across ...

Scientists have found a way to study early embryonic development without real embryos. Using CRISPR, they programmed stem cells to self-organize into structures mimicking early embryos. The cells show ...

Invoking a 1798 law, the US president has sent hundreds of alleged gang members to the high-security prison described as a ...

COVID-19, scientists are watching another virus warily: H5N1. It’s been circulating widely in the U.S. — and now, wild birds ...

Choteau will host its fifth “Wild Wings in Choteau” — a three-day festival celebrating the spring light goose migration ...

Cells are in constant competition with each other and so eliminate diseased or unwanted cells. Cell competition is therefore a central principle for maintaining the health of tissues and organs.

President Sheinbaum discussed Mexico's missing persons crisis, a recent phone hacking and the US border wall at her Monday ...

Using an unbiased approach, this important study discovered a role of Ezh2 in the differentiation of granule neuron precursors, the cell of origin for Shh group of medulloblastoma. Furthermore, the ...

Rising Xenophobic Harassment and Violence towards Central Asian Migrants in Russia,” documents that Central Asian migrants, ...

There is a trial of strength at the cellular level. Cells are in constant competition with each other and so eliminate ...

Vaccine effectiveness relies on creating a strong antibody response that can be reactivated to fight future infections.