Anthropic is upgrading Claude's free tier, apparently to capitalize on OpenAI's planned integration of ads into ChatGPT. On Wednesday, Anthropic said free Claude users can now create files, connect to ...

Regular perovskite solar cells (PSCs)—which place the electron-transport layer beneath the perovskite absorber and the hole-transport layer on top—have limitations with respect to large-scale ...

Add Yahoo as a preferred source to see more of our stories on Google. A New Hampshire magnate with ties to power players in both parties has appeared in successive batches of the Epstein files, ...

Sgt. Ross F. Gray carried a satchel charge though a minefield while under heavy Japanese fire. What followed became one of the most extraordinary individual actions of the Pacific War, earning Gray ...