The wheel was likely invented around 6,000 years ago, but a new analysis of curious rocks from Israel suggests that wheel-like technologies existed even earlier.

Roughly 400,000 years after the Big Bang, the universe cooled just enough to allow photons to escape from the primordial ...

Researchers mapped Earth’s ionosphere, part of the upper atmosphere, using signal data from 40 million phones – a method that ...

Accumulation of extracellular matrix (ECM) in liver fibrosis is associated with changes in protein abundance and composition depending upon etiology of the underlying liver disease. Current efforts to ...

This is the basis for specialized, AI-powered science search engines such as Consensus and Elicit. Most companies do not ...

Last month, in a basement office in Monrovia, I watched a teacher with 15 years of experience fail a sixth-grade math test. She wasn’t an outlier—she represented the norm in a nation that ranks 155th ...