Construction crews will begin placing the first layers of soil over the surface of the Wallis Annenberg Wildlife Crossing over the Ventura (101) Freeway Monday morning. Want to get caught up on ...

But microscopic melted rock formations called spherules and nano-size diamonds in ancient soil layers ... the same ancient layers as were found in the 2007 study. A comet crash in the ice fields ...

Some scientists, digging into well-preserved layers of the earth ... place that is heaven to paleontologists because fossils and soil, left over the eons, are well preserved there.