Based on the fossil record, ammonites came in a wide range of sizes and shapes, from smaller than an inch to as large as nine feet wide. Some ammonites had long, straight shells, while others had ...

Opalized ammonite fossils are some of the most unique and spectacular paleontological specimens. They were formed through a geological process known as opalization, wherein organic material from ...

The plaintiffs say they suffered unnecessary kidney and bone damage from taking one of Gilead's drugs, which could have swapped out an ingredient for a safer alternative. OAKLAND, Calif. (CN) — The ...

The landscape for so-called PrEP drugs is evolving rapidly: While Gilead expects FDA approval in June of lenacapvir to be injected twice-a-year to halt the AIDS virus, it is making plans for the ...