Paleontologists hope that an amber-like material, made with living tree resin, will shed light on the prehistoric fossilization of the real stuff. By Richard Fisher Amber is coveted the world over ...

The sperm, belonging to a tiny marine crustacean, dates back nearly 100 million years, making it the most ancient animal sperm found to date. Amid cuts to federal funding, US universities tighten ...

Amber and copal are fossilized tree resins ... that matured resin transitioned from an opaque, pale off-white material to brittle, translucent masses with yellow-orange-brown coloration.